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Boost your Brain: Lifestyle changes that enhance cognitive function in adults

Unlock the secrets to sharper thinking with simple lifestyle tweaks.

Boost your Brain: Lifestyle changes that enhance cognitive function in adults
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Do you often walk into a room and forget why you are there? Or when you sit down to read a book, do you end up reading the same paragraph over and over? If you experience these things frequently, you may be worried that your cognitive function is declining.

The brain structure changes and shrinks as we get older, which can result in minor cognitive decline. However, frequent disorientation, forgetfulness, and difficulty making decisions can be signs of serious cognitive impairment—such as dementia or Alzheimer’s disease—that significantly interferes with daily activities and reduces quality of life.

Fortunately, there are some measures you can take and lifestyle changes you can make to potentially improve cognitive function. Many factors contribute to Alzheimer’s disease and dementia risk, and these measures are by no means a guarantee that you won’t develop these conditions. However, they may help protect the brain from age-related cognitive decline by boosting brain connectivity and enhancing cognitive processes.

What are cognitive functions?

Cognitive function is an umbrella term that encompasses various brain activities, ranging from simple to complex. In other words, cognitive functions are the mental processes through which your brain communicates with your body to perform tasks. Some examples of cognitive functions include language abilities, reasoning, problem-solving, planning, decision-making, learning, attention, verbal fluency, knowledge acquisition, and information manipulation.

Types of cognitive impairment

Cognitive functions tend to naturally decline with age, making it difficult to distinguish normal, age-related changes in cognitive functioning from the early stages of disease-associated cognitive decline. For instance, memory difficulty, which is common in older individuals, is also a common symptom of dementia and Alzheimer's Disease.

Contrary to common misconceptions, not all forms of cognitive decline involve memory problems or difficulty thinking clearly. Some cognitive disorders initially present with sleep problems, behavioral or personality changes, such as poor judgment and impulsivity, or difficulty with environmental interactions.

Furthermore, depending on the cause, cognitive impairment may be temporary or progressive. For example, delirium, a mental state characterized by confusion and disorientation, is temporary, whereas all forms of dementia (including Alzheimer’s Disease) are progressive.

Age-related cognitive decline

Slight cognitive decline and some changes in cognitive performance are normal parts of aging. Most cognitive functions peak around age 30 and subtly decline with advancing age. Age-related cognitive impairments include difficulties with multitasking, retaining information, word-finding, and maintaining attention, as well as an overall decline in thinking and perceptual speed.

It is worth mentioning that not all cognitive abilities decline with age. For many, verbal reasoning, vocabulary, and other aspects of crystallized intelligence remain unchanged or improve with age.

Mild cognitive impairment

Mild cognitive impairment (MCI) refers to impairments in cognitive functioning, such as memory loss, that are more severe than in other people of the same age. While these changes in cognitive function are noticeable, they are not severe enough to qualify for a dementia or Alzheimer’s disease diagnosis, and they do not interfere with daily cognitive functioning.

Mild cognitive impairment can have various causes, including:

  • Nutritional deficiencies
  • Depression, anxiety, or other mental health conditions
  • Thyroid conditions
  • Autoimmune disorders
  • Not getting enough sleep
  • Infections
  • Medication side effects
  • Early stages of dementia

The cause of cognitive decline often determines the extent of compromised cognitive function in the individual and whether they can expect to suffer progressive cognitive decline. For those whose condition is not progressive, the symptoms of cognitive decline may slow or reverse, and many may return to their previous cognitive abilities.

However, for other individuals, cognitive decline may worsen over time and possibly progress to dementia or Alzheimer’s disease, diseases that significantly impair cognitive functioning.

Generally, individuals with mild cognitive impairment have an increased dementia risk, but mild cognitive impairment is not a guarantee of a future dementia diagnosis. Studies examining the risk factors for the progression of MCI to dementia indicate the risk of developing Alzheimer’s disease or dementia is three to five times higher for individuals diagnosed with MCI than for those with normal cognitive function.

Dementia

Dementia is characterized by a loss of behavioral and cognitive abilities that significantly interferes with a person's ability to perform daily tasks, resulting in a reduction in quality of life. The signs and symptoms of dementia typically present when healthy neurons stop working, lose connections, and die. Some neuron loss with age is normal; however, those with dementia experience a much greater loss of cognitive functions.

The signs and symptoms of dementia vary by individual, but typically include:

  • Memory loss and confusion
  • Sleep problems
  • Difficulty with fine and gross motor skills
  • Decline in executive functions (e.g., working memory, planning, emotional control, etc.)
  • Difficulty understanding and expressing thoughts
  • Problems reading and writing
  • Reduction in psychomotor speed
  • Repetitive questioning
  • Changes in diet and eating habits
  • Poor judgment and acting impulsively
  • Disorientation in familiar places
  • Taking longer to complete everyday tasks
  • Losing interest in daily activities
  • Hallucinating, delusions, and paranoia
  • Balance and mobility problems

There are several types of dementia, and all are progressive. The most common forms are Alzheimer's disease, in which abnormal protein plaques accumulate in the brain, Lewy-Body dementia, and vascular dementia, which results from blocked or leaky arteries in the brain. Although the underlying cause of dementia disease varies, the effect is the same—reduced cognitive abilities and cognitive impairment.

How to improve cognitive function

The brain shrinks as we age, and the number of synapses and neurotransmitter receptors—both allowing neurons to communicate with each other—decreases. These brain changes can cause minor cognitive impairment, particularly in memory, attention, processing speed, and planning. However, many lifestyle factors affect cognitive function, and changing your routine can help slow age-related cognitive decline.

Regular physical activity

Research shows that physical activity can have a beneficial effect on cognitive function in all age groups. Exercise increases blood flow to the brain and neurotrophins, including brain-derived neurotrophic factor (BDNF), which promotes neuron growth, repairs brain cells, and helps the brain develop new connections.

Exercise can also increase the volume of the hippocampus, a part of the brain responsible for forming new memories. Additionally, aerobic exercise is thought to be a factor in minimizing the risk of dementia and other neurological disorders, including Alzheimer’s disease.

Brain training

Brain training involves regularly engaging in cognitively stimulating activities and exercises challenging information processing and cognitive abilities. Examples include crossword and sudoku puzzles, jigsaws, problem-solving activities, reading and writing, and learning new skills and hobbies.

Memory training is a type of brain training designed to improve episodic memory—remembering events that occur in daily life—and working memory, a type of short-term memory essential to information manipulation. Memory training activities include puzzles, matching games, and word games that involve trying to remember as many words as possible in a given time.

Challenging the brain is known to build up cognitive reserves, aka the brain’s flexibility and agility. This can potentially reduce susceptibility to age-related changes in the brain and decline in cognitive functioning. As such, brain training can also lower the risk of developing Alzheimer's disease, dementia, and cognitive dysfunction. There’s a plus – regular brain training activities in one sphere can help improve your cognitive abilities in other areas, which, in turn, can preserve your overall cognitive ability.

Stay social

Humans are social animals. Positive social interactions can improve one’s quality of life and the ability to relate to others. People who are isolated may see a degradation of their cognitive ability sooner than those who stay engaged with others.

While research into social interactions and cognitive function is limited, a few trials have yielded positive results, indicating that positive social engagement can increase hippocampal volume and improve memory and overall brain health.

Sufficient rest

Sleep patterns change as we age, with sleep interruptions and early waking becoming increasingly common. Not getting enough sleep can negatively affect attention, memory, and executive functions (higher-level cognitive skills like flexible thinking and self-control).

Lifestyle changes can improve sleep patterns, which can support cognitive function. These include spending more time in the sunlight, maintaining a consistent sleep routine, taking short afternoon naps to counteract nighttime sleep loss, and seeking treatment for sleep problems and disorders like sleep apnea and insomnia.

Foods that can boost cognitive function

Research indicates certain foods can enhance cognitive abilities, protect the brain from damage, and slow cognitive decline. However, the mechanisms by which these foods impact cognitive functioning are unclear.

However, existing research indicates that certain nutrient components can reduce inflammation, oxidative damage, and the buildup of toxic proteins in the brain. These nutrient components may also promote the formation of new synapses and brain cells, prolong the life of existing brain cells, and support the lining of blood vessels, increasing the blood supply and oxygen to the brain.

Some of the best “brain foods” include:

Berries

Berries are rich in flavonoids and pelargonidin—natural plant pigments associated with enhanced memory, improved cognitive function, and a reduced risk of dementia and Alzheimer’s disease.

Green leafy vegetables

Green leafy vegetables are rich in brain-boosting nutrients like folate, beta carotene, vitamin K, and lutein. They can help slow cognitive decline and lower the risk of developing Alzheimer’s disease.

Oily fish

Fatty and oily fishes, like tuna and salmon, are rich in omega-4 fatty acids, which can lower levels of beta-amyloid—a protein that accumulates in the brains of patients with Alzheimer's disease—in the blood.

Legumes

Soybeans, black beans, kidney beans, and chickpeas have high concentrations of anti-inflammatory compounds that can support overall brain health and boost cognitive functioning.

Whole grains

Whole grains are an excellent source of phytonutrients, B vitamins, and antioxidants. They can significantly benefit brain function and lower the risk of dementia and Alzheimer’s disease.

Tumeric

This well-loved spice contains curcumin, a compound that may increase BDNF levels, lower the risk of dementia and Alzheimer’s disease, improve cognitive abilities, and support overall brain health.

Other brain-boosting Foods

Other foods that can improve cognitive function and mitigate cognitive decline include monounsaturated fatty acids, nuts, green tea, dark chocolate, and coffee. Some nutritional supplements, especially those containing vitamins D and B12, can also help support brain health and lower the risk of Alzheimer’s disease.

Conclusion

Cognitive abilities tend to decline as we get older, with many people experiencing subtle changes in cognitive function by or before middle age. However, if these age-related changes are more severe or frequently occurring than those of other individuals in the same age group, they may be signs of mild cognitive impairment.

While mild cognitive impairment does not always progress to dementia or Alzheimer’s disease, those with MCI are more likely to develop dementia and other conditions involving significant cognitive decline.

Some lifestyle factors can impact cognitive function and play a role in the likelihood of developing dementia, Alzheimer’s disease, and similar conditions. Positive lifestyle changes like brain and memory training, regularly exercising, sleeping well, engaging in social activities, and eating a healthy diet with plenty of “brain foods” can support overall brain health and improve cognitive function. As such, incorporating these lifestyle changes into daily life may help slow age-related cognitive decline, improve cognitive performance, and lower the risk of dementia and Alzheimer’s disease.

@callmebelly/TikTok

An excellent reminder to show kindness and patience.

Listening to a baby cry during a flight might be aggravating, but it’s nothing compared to the moans, groans, and eyerolls that the baby's parents must endure from other passengers when it happens. No matter what tips and tricks are used to try to soothe a little one’s temperament while 30,000 miles in the air, crying is almost inevitable. So, while having to ease their own child’s anxiety, moms and dads also must suffer being the pariah of the trip. What a nightmare.

Recently, one mom was apparently trying so hard to avoid upsetting her fellow flight members that she went above and beyond to essentially apologize ahead of time if her baby began to cry on its first flight. It was a gesture that, while thoughtful, had folks really feeling for how stressed that poor mom must be.

In a clip posted to his TikTok, one of the passengers—Elliot—explained that the mom handed out small care packages to those nearby.

“She’s already so busy and took the time to make these bags for everyone,” Elliot said, before panning the camera to reveal a Ziplock bag full of candy, along with a note that made him “want to cry.”

The note read: “It’s my first flight. I made a deal to be on my best behaviour—but I can’t make any guarantees. I might cry if I get scared or if my ears start to hurt. Here are some treats to make your flight enjoyable. Thank you for being patient with us. Have a great flight.”

Like Elliot, those who watched the video felt some ambivalence at the well intentioned act. Many felt remorse that she would feel the need to appease people in this way.

“This is so sweet but also … kind of breaks my heart that we live in a world in which parents feel the need to do that.”

“Because jerk people have shamed parents into believing that they need to apologize for their kids' absolutely normal behavior. What a gem of a mom.”

“You know that sweet mom worried about this trip so much.”

“That poor mom probably spent nights awake … nervous about that flight, thinking of ways to keep strangers happy.”

"That's a mom trying so hard."

Many rallied behind the mom, arguing that making others feel more comfortable with her child being on board was in no way her responsibility.

“No mom should be apologizing. Adults can control their emotions … babies not …. Hugging this mom from a distance.”

“Dear new parents: no you don’t have to do this. Your babies have the right to exist. We all know babies cry. We know you try your best.”

Luckily, there are just as many stories of fellow passengers being completely compassionate towards parents with small children—from simply choosing to throw on their headphones during a tantrum (instead of throwing one themselves) to going out of their way to comfort a baby (and taking the load of a parent in the process). These little acts of kindness make more of an impact than we probably realize. Perhaps if we incorporated more of this “it takes a village” mindset, flying could be a little bit more pleasant for everyone involved.

@amberandjoshofficial/TikTok, Photo credit: Canva

Other parents had no idea this was a "universal experience."

Parenting looks astronomically different than it did when we were kids, and we know one of the major culprits of that is technology. Back in the day, there was no such thing as a “tablet kid,” there wasn’t an app that tracked a kid’s every move, you couldn’t get answers to your burning parenting questions from endless online forms and parent groups. Twas a different time, indeed.

Of course, these modern day conveniences have all kinds of pros and cons attached to them, as one dad, Josh (@amberandjoshofficial) demonstrated in a now-viral video posted to his TikTok. In the video, we see him try—and fail—to use the age-old parenting saying that’s always bought them juuuuust a little more time from demanding kiddos, otherwise known as “just a minute.”

That is, until now. Turns out, in the age of Alexa, “just a minute” doesn’t cut it. Because kids can and will be using that robot against you, just like his own daughter did. Poor Josh was just trying to finish washing the dishes before getting the glass of milk she requested. But unfortunately for him, as soon as he replied with “just a minute,” she immediately asked Alexa to “set the timer.” Ruthless.

“Accountability has never been higher," Josh wrote in his caption. And other parents who watched the video couldn’t help but agree.

“I had no idea this was a universal experience 😂”

“No this is literally verbatim my life 😂😂😂”

"Oh so it’s not just our house. It’s relieving and also scary to know we’re not alone 😂”

“Haha this is so accurate. I’ve had the conversation with my kids that it’s a figure of speech – they still do it 😂”

“NOT MY ALEXA RESPONDING WHILE I WATCHED THIS VIDEO”

A few fellow parents chimed in with some lighthearted “tips,” such as explaining that “one minute is more of a vibe than a unit of time,” or swapping it for “one more moment” instead.

Another suggested that he “keep that same energy when they want more time on their game.”

And hey, maybe higher accountability isn’t totally a bad thing. It didn’t exactly instill trust when our parents stretched “just a minute” into eternity, especially when it turned into not actually doing what they said they would.

That's apparently not the only way Alexa has potentially helped parents, either. A study conducted by Kantar for Amazon found that 95% of parents agreed that having Alexa at home has helped reduce screen time, while another 90% felt Alexa helped their kids stay mentally active, learn new things, and become more independent. As with all technology, it can be easy to develop too much of a reliance on this gadget, but (when used responsibly) there are some definitive perks, it seems.

So there you have it, folks. Let’s just chalk it up to being more thing that’s a relic of a bygone era. But hey, change is the only constant, right?

By the way, Josh and his wife Amber have even more wholesome and fun family content where that came from on their TikTok. Check it out here.

@cosmo_andtheoddparents/TikTok

He wuvs his vet.

Not every dog might jump with joy after seeing their vet out in public. But for Cosmo the Golden Retriever, it was practically Christmas all over again when he spotted his own vet, Dr. Jones, at a brewery.

In an adorable clip posted to TikTok, we see Cosmo in pure, unadulterated bliss as he snuggles with an equally happy Dr. Jones, who, considering he’s still in his scrubs, might have just gotten out of work to grab a quick pint.

Watch:

Ugh, the cuteness is too much to handle! People in the comments could barely contain their secondhand joy.

“He looked over like, “Mom, do you see who this is?” one person wrote, while another said, “What in the Hallmark movie? Adorable!!”

One person even joked, “Did we all check the vet’s hand for a wedding ring? (Said as a married woman. Looking out for you all, or something.)”

According to Hannah Dweikat, Cosmo’s owner, the two actually share quite a history. She tells Upworthy that when Cosmo was but a wee pup, he “gave a scare” after eating a Sago Palm seed, which are highly toxic to dogs, from a plant in their backyard, which of course resulted in him being rushed to the animal hospital and staying there over the weekend.

While that’s every pet owner’s worst nightmare, and certainly a scary situation for the poor fur baby, Dweikat says that “the calm and patient demeanor” of Dr. Jones and his staff put Cosmo at ease. And because of this, “Cosmo has always loved going to see his friends—especially because they give him lots of treats and snuggles.”

Cosmo and Dr. Jones’ buddyship has also blossomed thanks to proximity, as Dweikat only lives down the street from the clinic. “Which means we get to see Dr. Jones and his staff out in public at times and Cosmo takes every chance he can get to say hi,” she explains. This time, however, she was able to capture it all on video. Yay for us!

What makes a good vet?

While not every vet, however gifted, will be able to elicit this type of reaction from their patients, having a calming presence like Dr. Jones is certainly a good sign for pet owners to be on the lookout for when shopping around for their own vet. But that’s not the only quality a good vet needs. According to Saint Matthews University, a vet also needs to have high stamina (both physically and mentally), as well as an ability to tolerate unpleasant situations (you can’t faint at the sight of blood or vomit), a high level of emotional intelligence (maybe all doctors should possess this skill, but especially those who work with animals), adaptability, a sense of enthusiasm, and finally, excellent communication skills.

Dr. Jones seems to have these attributes in spades, and his patients clearly love him for it. None so much as Cosmo, obviously.

By the way, if you’re in need of even more content featuring this precious pup, you can follow Cosmo on both TikTok and Instagram.

A curious sign in the Dallas-Forth Worth International Airport.

A brilliant LGBTQ rights advocate in Texas found a clever way to skewer the state’s anti-trans politicians by creating a fake sign stating that the state government was verifying people’s genitals through AI. The signs were posted in bathrooms at the Dallas Fort Worth International Airport. The prank was a great way to show travelers that when trans rights are under fire, everyone's rights are, too.

The signs look precisely like a government warning and infer that the toilet's flushing sensor holds some device to photograph bathroom user’s genitals. Taking pictures of someone’s genitals is a massive violation of people’s privacy, but if the state wants to monitor if trans people are using the bathroom, how else could it tell?


The prank warning sign has a phone number for people to call to have their photos removed from the database, and it goes to Lieutenant Governor Dan Patrick's office. Back in 2016 and 2017, Patrick pushed for a law that would limit transgender people's ability to use the bathroom that matches their identity.

Here's what the prank sign reads:

Electronic Genital Verification (EGV)

Your genitalia may be photographed electronically during your use of this facility as part of the Electronic Genital Verification (EGV) pilot program at the direction of the Office of the Lieutenant Governor. In the future, EGV will help keep Texans safe while protecting your privacy by screening for potentially improper restroom access using machine vision and Artificial Intelligence (AI) in lieu of traditional genital inspections.

At this time, images collected will be used solely for model training purposes and will not be used for law enforcement or shared with entities except as pursuant to a subpoena, court order or as otherwise compelled by a legal process.
Your participation in this program is voluntary.

You have the right to request removal of your data by calling the EGV program office at (512) 463-0001 during normal operating hours (Mon-Fri 8AM-5PM).

Michael Dear, a security camera expert, posted about encountering one of the signs at the airport.


The prank even caught the attention of the DFW airport. “This is not a DFW-produced or authorized sign, and we have no information about its origins,” DFW media relations manager Cynthia Vega told Snopes. “However, we are investigating to ensure that none is posted, and we will remove any unauthorized signs if found.”

The idea of the government inspecting its citizen's genitals seems outlandish and totalitarian. However, a bill that made it through the Ohio State House of Representatives in June 2022 calls for just that. The bill would have required high school athletes to prove their gender by submitting to intrusive inspections of their genitalia and other invasive tests. Although the bill was never signed into law, it begs the question: What poses a more significant threat to high schoolers, transgender female athletes (less than 100 people nationwide), or statewide government genital inspections?

Sometimes, the best way to expose hysteria is not to shout back even louder but to encourage everyone to laugh at it. Kudos to the creator of the genital verification prank for using humor to make an essential point about privacy.

Image credits: Public domain (left) Zoran Veselinovic (right)

There's nothing like a power key change to take a song to the next level.

Music affects us emotionally and psychologically in so many ways. A minor key can make us sad and wistful, a dissonant chord can trigger fear, and a joyful, jaunty tune can pull us out of a funk. But a musical device that used to be a staple in pop music has largely fallen by the wayside, much to the dismay of everyone who's ever raised a finger to the sky when Whitney Houston belted out, "Don't…make…me…CLOOOOSE one more doooor."

That's right. The power key change. Bon Jovi did it in "Livin' on a Prayer," Michael Jackson in "Man in the Mirror," and Celine Dion in "My Heart Will Go On." Taking a verse or a chorus up a notch by modulating the key was a way for pop stars to give their songs extra oomph for decades. We loved it because it made us feel things. And some of us are realizing just how much we miss the chills and thrills those modulations gave us.

Self-proclaimed "geriatric millennial" Chrissy Allen posted an impassioned plea to "bring back key changes" with examples from popular songs of the 80s and 90s, and it's resonating with those who remember.

Her movements are so familiar and people in the comments felt it in their bones.

"Ah yes! The classic last chorus modulation (or if you're Michael Jackson, like 8x). Expected and unexpected all at once."

"Key changes make you feel like life is worth it, the future is bright and nothing is going to stop your fearless heart! Such a dopamine boost 🔥 Other songs can't compete with that."

"This is pure dopamine. Like, just the good stuff, all lean no fat, pharmaceutical grade brain chemicals. 🤌🏽"

"If there is no key change, when do they stand up from their stool?"

"And the beat dropping WITH the key change is the *chef’s kiss*"

"Total goosebumps the whole time."

For real, though. Watch Whitney pull this key change out of her hat and see if it doesn't give you goosebumps.

Whitney Houston's key change in "I Have Nothing" is legendary.youtu.be

It's not that nobody does the key change anymore, but it's definitely fallen out of favor. As Chris Dalla Riva writes in Tedium, "The act of shifting a song’s key up either a half step or a whole step (i.e. one or two notes on the keyboard) near the end of the song, was the most popular key change for decades. In fact, 52 percent of key changes found in number one hits between 1958 and 1990 employ this change. You can hear it on “My Girl,” “I Wanna Dance With Somebody,” and “Livin’ on a Prayer,” among many others."

But something happened in the 90s that shifted musicians away from key changes. The rise of Hip-Hop music, which Riva explains "focuses more on rhythms and lyricism than on melody and harmony," was one change. Another was the way music is written, recorded, and produced. Computer programs have fundamentally changed the way music is made, and those changes don't lend themselves to changing a key mid-song.

Riva gives an example:

"Imagine that I’m Sting and I sit down to write a song in the early ’80s for my group The Police. While composing, it’s likely that I’ll work linearly. What this means is I’ll write section-by-section. First, I’ll write a verse, then a chorus, then another verse, and so on. One way to create intrigue as I get to a new section is to change something. Maybe the lyrics. Maybe the melody. Or maybe the key.

"Every Breath You Take" changes key at the bridge.youtu.be

On “Every Breath You Take,” Sting does the third. Most of the song is built around a laid back groove in Ab major, but then on the bridge, the energy kicks up as the song shifts to the key of B major. Because songwriters in the pre-digital age were writing linearly, shifting the key in a new section was a natural compositional technique.

"But in the computer age, this linear style doesn’t make as much sense." Riva explains that "digital recording software generally encourages a vertical rather than linear songwriting approach."

Some people say the key change is for singers who can actually sing as they lament the popularity of autotune technology. But there are some genuinely incredible singers in this day and age. We cannot live in the era of Kelly Clarkson and Pink and Ariana Grande and complain about a loss of singing ability. Maybe those pop divas will join the movement to bring key changes back in full force. We need those dopamine hits now more than ever.