A body temperature expert explains why some people are always freezing
And there's a scientific reason that it's more common for women.

We all know someone who's always cold no matter what.
You wear extra chunky sweaters. You've never met a mitten you didn't like. You may even keep a lap blanket at work.
You're one of those people who is always cold. And you are not alone.
Inside or outside, you just can't seem to get warm. This characteristic of yours manifests itself in extra blankets, wild heating bills, and enough complaints about the temperature that you start going hoarse.
But surely there's a scientific reason as to why some people are always cold, right?
It can't just be random chance that has doomed you to a life of perpetual shivers. I reached out to an expert to learn more.
Dr. Christopher Minson is a professor in the department of human physiology at the University of Oregon. One of his primary research interests is thermoregulation—how the brain and body interact and adapt as we heat and cool. Plainly put, he is the perfect guy to answer a few questions from #TeamAlwaysCold.
(This interview has been condensed and edited for clarity.)
Upworthy (UP): So what is actually happening in the body when a person gets chilly?
Dr. Chris Minson (CM): In the simplest of terms, feeling either cold or warm means that the temperature “set point" of the body is being challenged by thermal inputs throughout the body, including in the brain, the blood, the spinal cord, our organs, our muscles, and our skin. Part of our brain collects all of those thermal inputs and essentially compares them to what body temperature it wants to hold. So if your skin temperature is lowered, even though the rest of your body is still at a comfortable set-point, you will feel cold — in some cases, cold enough to make behavioral changes like putting on a sweater.
UP: Is there a reason this seems to largely impact women?
CM: The people who feel “always cold" will typically have lower muscle mass relative to body surface area (typically, women and older people). Their actual body core temperature may not really be below normal, but they feel cold because their body is telling them to conserve heat.
There have also been limited reports that women have a higher density of blood vessels at the skin surface, which would make them more sensitive to cold. However, there hasn't been enough good data collected on this theory to confirm or disprove it.
UP: This also explains a frequent frustrations about women and men in relationships...
CM: A common complaint by women and men in relationships is that women's feet are often very cold, especially in bed. That goes along with the lower body mass to surface area relationship in women. As their body works to conserve heat, it vasoconstricts blood vessels in the extremities (hands and feet) to keep the core warm. This reduced blood flow results in cold hands and feet in women more than men.
So basically, your brain is simply an overworked project manager trying to keep you alive. But there are a few things you can do about it.
UP: If you are a person who is always cold, is there anything you can do to "retrain" your body, so to speak?
CM: One of the best things someone can do is to increase their fat-free mass (muscle). This will increase overall metabolic rate (although it's not easy to do.)
Another thing a person could do is undergo cold-stresses, such as allowing themselves to be exposed to very cold temperatures for short periods of time. It sounds counter-intuitive, but it's been suggested that this could decrease the sensation of feeling cold. An example is putting the water on 'cold' for a short period of time in the shower. Not easy to do, and you would want to build up to a full minute each day, but in some people it can help them to decrease the feeling of being cold.
UP: There are a lot of jokes at the expense of people who are always cold, but at what point does it go from "I'm always cold, and it's a quirky thing about me" to "I'm always cold and I should probably see my doctor?"
CM: There is the possibility that someone's perpetual coldness could be caused by abnormally low thyroid hormone levels, and that can be verified with a blood test. That is by far the rarer condition, but taking hormone supplements if medically needed can help. If a person is quite lethargic, has low motivation, and is always cold, it might be worth having thyroid hormones evaluated.

Visiting your doctor can also identify other issues such as anemia.
Photo by National Cancer Institute on UnsplashSo if you are a lap-blanket wearing member of #TeamAlwaysCold, don't fret.
You are strong. You are capable. And unless you have pain or some of the symptoms Dr. Minson mentioned, there is likely nothing wrong with you. Our bodies just require different things of us, and yours requires that you have to deal with an overly-air conditioned-society. My sincerest apologies. On behalf of #TeamHot, your next cocoa is on me.
This article originally appeared seven years ago.
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A Generation Jones teenager poses in her room.Image via Wikmedia Commons
An office kitchen.via
An angry man eating spaghetti.via 
At least it wasn't Bubbles.
You just know there's a person named Whiskey out there getting a kick out of this. 


An Irish woman went to the doctor for a routine eye exam. She left with bright neon green eyes.
It's not easy seeing green.
Did she get superpowers?
Going to the eye doctor can be a hassle and a pain. It's not just the routine issues and inconveniences that come along when making a doctor appointment, but sometimes the various devices being used to check your eyes' health feel invasive and uncomfortable. But at least at the end of the appointment, most of us don't look like we're turning into The Incredible Hulk. That wasn't the case for one Irish woman.
Photographer Margerita B. Wargola was just going in for a routine eye exam at the hospital but ended up leaving with her eyes a shocking, bright neon green.
At the doctor's office, the nurse practitioner was prepping Wargola for a test with a machine that Wargola had experienced before. Before the test started, Wargola presumed the nurse had dropped some saline into her eyes, as they were feeling dry. After she blinked, everything went yellow.
Wargola and the nurse initially panicked. Neither knew what was going on as Wargola suddenly had yellow vision and radioactive-looking green eyes. After the initial shock, both realized the issue: the nurse forgot to ask Wargola to remove her contact lenses before putting contrast drops in her eyes for the exam. Wargola and the nurse quickly removed the lenses from her eyes and washed them thoroughly with saline. Fortunately, Wargola's eyes were unharmed. Unfortunately, her contacts were permanently stained and she didn't bring a spare pair.
- YouTube youtube.com
Since she has poor vision, Wargola was forced to drive herself home after the eye exam wearing the neon-green contact lenses that make her look like a member of the Green Lantern Corps. She couldn't help but laugh at her predicament and recorded a video explaining it all on social media. Since then, her video has sparked a couple Reddit threads and collected a bunch of comments on Instagram:
“But the REAL question is: do you now have X-Ray vision?”
“You can just say you're a superhero.”
“I would make a few stops on the way home just to freak some people out!”
“I would have lived it up! Grab a coffee, do grocery shopping, walk around a shopping center.”
“This one would pair well with that girl who ate something with turmeric with her invisalign on and walked around Paris smiling at people with seemingly BRIGHT YELLOW TEETH.”
“I would save those for fancy special occasions! WOW!”
“Every time I'd stop I'd turn slowly and stare at the person in the car next to me.”
“Keep them. Tell people what to do. They’ll do your bidding.”
In a follow-up Instagram video, Wargola showed her followers that she was safe at home with normal eyes, showing that the damaged contact lenses were so stained that they turned the saline solution in her contacts case into a bright Gatorade yellow. She wasn't mad at the nurse and, in fact, plans on keeping the lenses to wear on St. Patrick's Day or some other special occasion.
While no harm was done and a good laugh was had, it's still best for doctors, nurses, and patients alike to double-check and ask or tell if contact lenses are being worn before each eye test. If not, there might be more than ultra-green eyes to worry about.