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20 doctors share their favorite 'health hack' from their specialty

Doctor Mike gathered colleagues to offer tips from 20 different areas of medicine in less than 12 minutes.

Photo credit: Canva

There are many fields of medicine doctors can specialize in.

The human body is complex, which is why there are dozens of medical specialities for different body parts and systems. Keep all of those parts and systems functioning optimally is what we call "health," but considering how many years of schooling doctors go through to learn about their chosen speciality, a lot of things about our bodies remain a mystery to most of us.

Wouldn't it be nice to ask a doctor in every specialty for their No. 1 "hack" for better health in their specific field? Wouldn't that be a super efficient way to boost our overall knowledge of our bodies and hopefully make life a little easier on ourselves?

group of doctors, doctor specialtiesTwo doctors is better than one. Photo credit: Canva

Thanks to "Doctor Mike," we've got it. Doctor Mike is a popular YouTube account run by Dr. Mikhail "Mike" Varshavski D.O., an actively practicing board certified family medicine doctor. In a video with over 5 million views, he asked 20 doctors from 20 different specialties to offer one health tip they often give their patients. The result is nearly 12 minutes of solid, expert advice.

For instance, Doctor Mike shares that he tells patients never to put anything smaller than their elbow into their ear canal. "Too many people are using tools like Q-tips to pull out earwax, when in reality they're only packing earwax deeper in and even damaging the skin, potentially leading to an infection."

- YouTubewww.youtube.com

Opthamologist Will Flanary (who goes by Dr. Glaucomflecken online) shares that if you lose a contact lens in your eye, don't worry about it migrating back to your brain. There's tissue that keeps that from happening, and your lens is most likely just stuck way up in your eyelid.

Emergency room physician Ed Hope shares that it's super helpful to bring to an ER visit a list of any diagnoses you have and medications you're taking, the dates of any operations or significant illnesses you've had, and a phone charger (since the wait is often longer than one would hope).

Period stains, ladies? OBGYN Danielle Jones says powdered meat tenderizer is the key to saving your underwear. Yes, really.

health hacks, health advice, teeth brushing, dentist, dental hygieneHow you hold your toothbrush makes a difference.Photo credit: Canva

Did you know you've likely been brushing your teeth wrong your whole life? Dentist and orthodontist Benjamin Winters says most people brush their teeth back and forth, with the toothbrush flat against their chompers, but the key is turning it at a 45-degree angle and going in circles.

Ever dealt with a toenail fungus? Podiatrist Dana Brems says Vicks VapoRub is one of the most effective ways to treat it. "It has eucalyptus and menthol, which are both antifungal," she says.

Not all medicine is about health, of course. Plastic surgery can be for purely cosmetic reasons, but according to plastic surgeon Anthony Youn, you don't have to go under the knife or even involve needles to plump up your lips. "Put a drop or two of food-grade peppermint oil into your lip gloss, and then mix it up, and then apply the gloss to your lips," he suggests. "It should create a very mild tingling sensation, and your lips will gently plump up a bit." If you don't feel the tingle, add a little more oil. If it burns instead of tingling, toss it and start over with less peppermint oil.

nasal aspirator, nasal suction, snotty kids, cold and flu seasonHelping kids out with their snot might be gross, but it can make them feel better.Photo credit: Canva

Dr. Alok Patel, a pediatric hospitalist, suggests that parents help our their snotty babies and toddlers with a nasal aspirator or nasal-suctioning device. "It clears their nose, helps them sleep better, eat better, improves their mood, and potentially prevents a problem from getting worse," Patel says. "It's also kinda satisfying."

Gastroenterologist Austin Chiang explains that the best way to prevent colorectal cancer is by being screened with a colonoscopy. During a colonoscopy, doctors can find precancerous growths and remove them before they have a chance to become cancerous.

Speaking of bowel health, general surgeon Karan Rajan says the the most underrated life hack for optimized bowel health is eating plenty of fiber: "Just increasing your fiber intake by 10 grams of fiber per day reduces your colon cancer by 10%. It's not a bad exchange."

Ten other docs weighed in with their best advice, from a urologist telling people to drink when their thirsty (not necessarily 8 glasses a day) to a psychiatrist advocating for daily personal check-ins with our feelings. Watch the full video here:

- YouTubewww.youtube.com

You can follow Doctor Mike on YouTube.

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Community

People over 100 share their simple secrets to living the best life

"Life goes on. So get on and do the things you love to do."

Canva

Elderly hands hold flowers. Two older people sit on a bench.

There has always been something really fascinating about resilience. Some people simply embody it, no matter their age, and remind us that you're never too old to keep living a good life.

Just recently, a 100-year-old woman named Layne Horwich was diagnosed with breast cancer. One year later, at 101–she had beaten it. Not only did she survive the cancer, but she recently passed her driving test, according to a story on NBC 5 News Chicago. When asked how she has stayed so relatively healthy, she answered, "I did play tennis until I was 92, and I think that was good."

People who have lived to be 100 may have less time than many of us, but what they have is perspective. And, if they're lucky, that perspective can be churned into wisdom like cream into butter.

Business Insider, via their YouTube page, posted a video entitled "Life Lessons From 100-Year-Old Americans Who Didn't Expect To Live So Long." Here, they interview five centenarians to get their thoughts and wisdom on love, health, technology and, most importantly, how to live a happy life.

- YouTubewww.youtube.com

Barbara (101), Diane (102), Jack (101), Helen (107) and Margaret (102) get mic'd up and sit down to talk about their experience of living on this Earth for over a century. They have all lived from the Great Depression through the pandemic, and every one of those nearly one million hours tells its own story. They initially discuss their backgrounds, goals, how they met their spouses, and the lens with which they can now see the history they lived through.

They are asked questions on a variety of topics, and none of their answers disappoint.

ON LOVE

Barbara closes her eyes and says with such sincerity, "It's so important to feel love. I won't say it makes the world go round, but it's very helpful."

And you know the old wives' tale that opposites attract? Margaret and Barbara disagree with that idea. Cutting back and forth between them, Margaret says "A like-mindedness is the formation of a solid marriage. And that is love." Barbara adds, "You agree, you're on the same page, and you want to live your life together."

ON MORTALITY

Jack so beautifully and vulnerably tells us as he exits his home and takes a drive, "The most challenging thing about being 100 is at some times, time hangs heavy on your hands. I don't have any of my good friends who are still alive. They are all gone. My wife passed away 20 years ago this year. Much too early. She should be here with me, sitting right here, right now."

He later proclaims, "I am the last man standing. It's not easy at all. If I sat around and grieved all day long, that would be very difficult to take. I know that life goes on and that's the only answer I can give you. Life goes on. So get on and do the things that you love to do."

Helen also feels deep losses around her. She tells us she has lost her two sons, one just a few weeks prior at the age of 82. "I'm just shocked that I would still be here and they're gone. At my age, I think every step you take is challenging. I feel that I'm on borrowed time."

Both Margaret and Barbara reflect on the years with their husbands. Barbara confesses how hard life can seem without him. "It's very tough at this stage of the game to be alone, be vulnerable and be dependent."

ON TECHNOLOGY

older person, computer, technology, learning, 100Older man sitting at the computer. commons.wikimedia.org

When they're asked "What has changed the most in 100 years?" they name the Internet and cell phones for starters.

Helen adorably asks the producer, "Is it true you're on YouTube?" She then admits, "I see all these young people walking down the street holding phones. Everyone has got one but me."

The overall vibe is they don't love the seemingly modern obsession with technology. Jack quips, "Amazing how much garbage gets on your computer." However, they don't totally dismiss it. Jack continues, "It used to be that if you wanted the answer to something, you'd have to go to the library and do a great deal of research. Today, with a snap of your fingers, the Internet has the answer for you. Done!"

Margaret says she often uses her computer. "I think technology, if used properly, has definitely made a huge difference. The ability to reach out to one another. Getting emails, sending emails."

ON HEALTH

elderly people, exercise, aerobics, health, 100Older people taking an aerobics class.commons.wikimedia.org

When asked, "What helped you live to 100?" they all have slight variations on one theme: Exercise.

Jack also shares, "I've never smoked. I've never drunk to excess." And later, he says, "I don't eat meat to excess," though he does admit to enjoying chicken. (Helen adds to this that one should eat properly from a very young age.)

Diane (who was once a dancer) suggests "one hour a day of strenuous exercise. A real workout that will keep you going and keep you alive."

Margaret has a less intense idea of exercising. "Walk, walk, walk," she insists.

ON BEING HAPPY

Jack determines, "Don't let the old man in. I refuse to think old. If you think young, more than likely you're going to act young."

Margaret suggests keeping activities on your calendar. "There's always something on my plate that I look forward to doing. And I think that's important for people. To look forward to what you can do today, that makes a difference."

Barbara stresses the importance of friendships. "I have many friends who help me enjoy life from all different generations. 60s, 70s, 80s, 90s. And that's what makes life so interesting."

When asked directly, "So what's the secret for a long, happy life?"

elderly man, laughing, happiness, health, old ageAn elderly man laughs.pxhere.com

Diane answers, "I think it's just love of life. It's a devotion to my family, to the ones I love. The thing that I've really learned is not to be so self-centered."

Jack gives this tip: "If you don't complain, you don't make life difficult for everyone around you. You'll get along in life." He then added, "You can't get anywhere in life until you start doing things for other people."

Barbara: "You want to be attached to things that are positive and good in life." She also echoes the idea that, "Giving is a real joy."

We see Helen visiting her church, as she shares this thought - "I think if you're nice to people, it comes back to you."

Positive thinking overall is the key. Jack ends the segment with this: "I don't feel like my days are numbered. I feel that I have good years in front of me yet."

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Kids

4-year-old wakes up from heart surgery and bursts into rendition of "I'm Still Standing"

Louis Hood is the hero we need.

Jodie Hood

Louis Hood making an OR bed look good!

Just an hour after a critical heart surgery, Louis Hood lifted his voice to Elton John’s “I’m Still Standing,” a fitting anthem for the resilient young boy born with a rare heart condition. The moving performance brought tears to the eyes of his mother, Jodie Hood, who shared that this small act was a reminder of Louis' strength and spirit.

Louis, who lives in Redruth, Cornwall, was born with a condition that left him with half a functioning heart. Since birth, he has undergone three open-heart surgeries, starting when he was just nine days old. As he approached his fourth birthday, Louis needed another operation to insert a stent into his pulmonary artery, a procedure that brought the family to Bristol Children’s Hospital.

"We call him our mountain-mover as he loves to defy the odds."

— Jodie Hood

Jodie, overwhelmed with emotion, explained the impact of Louis' spontaneous song. “He started singing from the movie Sing on his iPad—it was incredibly moving,” she said.

A dream trip to Disneyland Paris

With Louis’ condition demanding continuous medical care, his family lives with the daily uncertainty of what the future holds. But amid the challenges, they are hoping to create joyful memories. Louis dreams of a magical trip to Disneyland Paris, and with his love for all things Disney, his family is dedicated to making this happen.

To fund this dream, Louis’ grandmother, Sharon Van Beusekom, started a JustGiving fundraiser to help cover the expenses for Louis and his family. The goal of £8,000 would not only pay for the trip but also account for the costs associated with Louis' special medical needs during travel.

"Louis has one big dream: to visit Disneyland Paris... memories that will bring comfort and happiness no matter what the future holds."

— Sharon Van Beusekom

“Whether we have a few months or a few precious years, we’re living with the constant fear of losing him,” Sharon shared. “Louis is such an amazing little boy with a zest for life and a smile that lights up every room. He deserves this chance to make happy memories with his family.”

The Hood family has been through incredible challenges, especially with the recent loss of a young friend, Faith, who had the same condition as Louis but sadly passed away at just 22 months old. This heartbreaking reminder of the fragility of life has further motivated them to fulfill Louis' wish, despite the challenges ahead.

Support began pouring in, with friends, family, and well-wishers rallying around Louis. The family’s story gained traction online as well, with more than 2,000 Reddit users expressing their admiration and support. One commenter, @u/Hayes4prez, noted, "Pretty tough kid, I hope he’s up playing again soon." Another user, @u/masteremrald, commented, "Four open heart surgeries at such a young age is crazy. Amazing to see how he is able to stay positive after all that!"

Jodie even participated in sponsored runs to help boost the fund. "This is our way of giving him something to look forward to," she said, "and we are so grateful to everyone who has helped make this possible.”

In a wonderful update, Louis and his family were able to make their Disneyland dream come true on December 16, 2024, a date that serendipitously marked four years since his second heart surgery at just three weeks old. "Today 4 years on you got to realise your dream of being at Disney," his mother wrote in an Instagram caption. "Thank you for making this happen everyone. Dreams do come true. For us our little miracle started to weave his magic each time he survived against the odds and this is just a magical way for us to celebrate his heartaversary ❤️❤️❤️❤️"

Jodie shared more photos of their trip in a follow-up Instagram post recapping their visit and reflecting on their 2024.


A legacy of resilience and joy

Louis Hood, child, heart condition, heart surgery, resilientLouis Hood and his contagious smileSharon Van Beusekom via Just Giving

According to Jodie's Instagram, Louis turned four and a half on May 25, 2025. "I am so grateful we were brave enough to fight against their 5% chances of survival," she wrote in a caption. "4 and a half years of magic and it's a real honour to be your mummy. Big few months coming up."

This summer, Louis is set to have his fourth open heart surgery, one that Jodie and their family worry for the most. Louis will be undergoing the Fontan Procedure, an extremely high risk operation. Though they are "bloody scared" as Jodie shares in an Instagram post, the family is also hopeful for another miracle and a good long summer full of recovery and strengthening before Louis starts school in September.

If the past three surgeries are any indication, Louis has got this in the bag. Jodie and the family better prepare his mic for an encore performance of "I'm Still Standing" when the time comes. We just hope he knows the entire Internet will be singing along with him.

This article originally appeared last year. It has been updated.

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Science

Forget what you know about bed bugs. Avoiding and getting rid of them is pretty simple.

And thankfully, there are no toxic chemicals involved.

Mark Rober/YouTube

Mark Rober subjected himself to bed bug bites in the name of science.

"Good night! Sleep tight! Don't let the bed bugs bite!" This sing-songy rhyme that has been around for centuries alludes to the fact that bed bugs were prevalent in the past. After a significant decrease post-WWII, however, the sneaky pests have been making a comeback. Since the 1990s, bed bug infestations have risen dramatically, leading people to look for ways to avoid and get rid of the blood-sucking little buggers.

Unfortunately, a lot of the information about how to do that is flat-out wrong. Popular YouTube science communicator Mark Rober invites viewers to forget what we think we know and go on an educational journey with the leading bed bug researchers at Rutgers University's urban entomology lab. Not only did Rober subject himself to bed bug bites on purpose to see what happens when they feed, but he also conducted a series of experiments in the lab to find out what is actually effective at killing them and what is not.

Bed Bugs Belarus GIFGiphy

Bed bugs have a reputation for being nearly impossible to get rid of, which isn't really the case, according to Rober. When you know what works, it's actually a fairly simple process to kill an infestation. And the good news is that it doesn't entail any toxic chemicals—in fact the pest control chemicals sold for bed bugs don't work at all, according to Rober's tests.

In the process of learning about bed bugs, Rober shared a few "super wild" facts about the infamous creatures.

Fact #1: Bed bugs can live 3 to 10 months without feeding.

Eek. No wonder it seems like it's impossible to get rid of them. Starving them doesn't work. They can live in the resting stage for 3 to 6 months, and if the environment is cold enough, they can survive around 300 days, or 10 months, without eating.

- YouTubewww.youtube.com

Fact #2: Bed bugs don't transmit disease

Some good news here: Unlike blood-sucking mosquitoes, bed bugs don't carry or transmit disease. The bad news on the front is that because they don't pose a disease threat, only an annoyance, there's not a big incentive to fund research to eradicate them.

Fact #3: Bed bugs are attracted to vertical objects

In one of Rober's experiments, he placed a dish with a cylindrical vertical post inside it an a dish without a column, and nearly all of the bed bugs in the enclosure ended up in the dish with the column. "If you think about it, humans sleep at the highest elevation any given room. So their logic is just crawl up any vertical surface you see until you eventually find a warm-blooded meal at the top."

Part of how they find humans is by smell, which is why certain strong-smelling items can act as a deterrent for bed bugs. In Rober's experiment, Bounce dryer sheets, moth balls, baking soda, and essential oils all seemed to repel bed bugs (as opposed to ultrasonic pest repellers, which appeared to have no effect). However, none of those things did anything to kill them.

bed bugs, bed bug infestation, how to spot bed bugsBed bugs are about the size of an apple seed.Photo credit: Canva

Fact #4: Before 1950, one in three homes had bed bugs

Yikes. Even with the resurgence, we're still nowhere near those numbers, thank goodness.

Fact #5: The way bed bugs mate is weird

The term used to describe it is called "traumatic insemination," and really, you should just let Mark Rober explain it with his visual metaphor. Start at minute 11:30.

bug GIFGiphy

Two things work well to kill bed bugs—diatomaceous earth and heat

In testing chemical sprays, foggers, and other items marketed for killing bed bugs, Rober found a "superstar" in a natural, non-toxic substance. Diatomaceous earth—pulverized fossilized remains of tiny aquatic organisms called diatoms—was the most effective at killing the buggers with a 90% mortality rate after 10 days as opposed to 12% with the Hot Shot bed bug spray. Diatomaceous earth is mostly silica, which absorbs moisture, and when the silica dust sticks to the bed bugs as the walk through it, it dehydrates them. A light dusting of diatomaceous earth around all the cracks and crevices of a room is one way to kill off an infestation, though that process can take days.

The other way to kill bed bugs is heat. Steam kills bed bugs, as does heating up a room to over 122 degrees Fahrenheit does the trick. Temps over 122 degrees kills bed bugs instantly, and as Rober points out, there's no way for them to build immunity to this kind of treatment. So steamers and clothes dryers set to high are the average person's best bet for killing off bed bugs if they have them. The "nuclear option" is to have a pro come in with big heaters and cook your home for a day.

checking for bed bugs, bed bug poop, bed bugs in mattressChecking mattresses for signs of bed bugs at a hotel can help you avoid bringing them home.Photo credit: Canva

How do you avoid getting bed bugs in the first place?

An ounce of prevention is worth a pound of cure, and that's true for bed bugs especially. Avoiding an infestation if there's already one in your apartment building is trickier, but a lot of people inadvertently bring bed bugs home from hotel stays. Checking the underside of a hotel mattress as soon as you come in the room is a good habit to be in. Bed bugs poop a lot, and there will be spots along the edges of the mattress if bed bugs are present.

The other tip is to use the luggage rack to store your suitcase instead of leaving it on the floor or furniture and to hang clothes on the closet hangers instead of putting them into the hotel room's dresser drawers. Some people may even put their suitcase in the bathtub, at least until they've checked the bed for signs of poop.

Nobody wants to deal with bed bugs, but at least now we have clear evidence of what actually works to get rid of them and what doesn't. Cook them with heat/steam and dehydrate them with diatomaceous earth, and take some simple steps when traveling to lessen your chances of getting them in the first place.

Sleep tight, everyone!

This article originally appeared in March

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