Health
Discover facts about health. Small discoveries that change the way you see familiar things.
Health
What surprising thing happens to the nutritional value of a carrot when you decide to boil it?
What surprising thing happens to the nutritional value of a carrot when you decide to boil it?
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Despite being considered a useless ticking time bomb for decades, what does the appendix actually do?
Despite being considered a useless ticking time bomb for decades, what does the appendix actually do?
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Since cold weather doesn't actually cause the common cold, why do we get sick so much more in the winter?
Since cold weather doesn't actually cause the common cold, why do we get sick so much more in the winter?
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Reading a screen can cut your blink rate in half.
Reading a screen can cut your blink rate in half. The American Academy of Ophthalmology notes that people blink less during screen use and other close work.…
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Hangover cures like drinking raw eggs, taking cold showers, or eating greasy food are virtually useless because a hangover is fundamentally a mix of severe dehydration, alcohol…
Hangover cures like drinking raw eggs, taking cold showers, or eating greasy food are virtually useless because a hangover is fundamentally a mix of severe…
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Exploding head syndrome can make a quiet bedroom sound like a blast.
Exploding head syndrome can make a quiet bedroom sound like a blast. During the transition into or out of sleep, a person may briefly hear a bang with no…
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Uncoiled deoxyribonucleic acid from a single adult human body would stretch out to roughly thirty-four billion miles, which is long enough to reach from here to the sun and back…
Uncoiled deoxyribonucleic acid from a single adult human body would stretch out to roughly thirty-four billion miles, which is long enough to reach from here…
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Reading in low light conditions does not cause permanent damage to your eyesight or physically alter the structure of your eyeballs in any meaningful way.
Reading in low light conditions does not cause permanent damage to your eyesight or physically alter the structure of your eyeballs in any meaningful way. The…
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The muscles that straighten your arm do their work by pulling.
The muscles that straighten your arm do their work by pulling. The triceps creates tension that rotates the forearm at the elbow; the biceps pulls from the…
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A cancer-hazard category measures evidence, not equal danger.
A cancer-hazard category measures evidence, not equal danger. Processed meat is in IARC's Group 1 because evidence establishes that it causes cancer in…
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High heels change the forces reaching your knees.
High heels change the forces reaching your knees. In a 1998 study, 20 women walked barefoot and in their own high heels. Researchers found greater forces…
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Screen apnea is a widely documented phenomenon where you unknowingly hold your breath or take incredibly shallow breaths while reading emails, significantly spiking your body's…
Screen apnea is a widely documented phenomenon where you unknowingly hold your breath or take incredibly shallow breaths while reading emails, significantly…
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A groove in a nail can record an interruption in growth.
A groove in a nail can record an interruption in growth. Horizontal grooves called Beau lines can appear after nail growth slows or pauses because of illness,…
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Brown fat turns fuel into heat instead of storing it.
Brown fat turns fuel into heat instead of storing it. Its mitochondria contain a protein called UCP1 that lets energy be released as heat rather than captured…
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A small blood study found plastic inside the bloodstream.
A small blood study found plastic inside the bloodstream. In 2022, researchers detected measurable plastic material in samples from 17 of 22 healthy…
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Couples' breathing and heart rhythms aligned in a lab study.
Couples' breathing and heart rhythms aligned in a lab study. Researchers monitored 32 couples during quiet exercises, including looking at one another.…
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Muscle soreness after a heavy workout is actually not caused by the buildup of lactic acid, completely debunking a pervasive fitness myth that has been aggressively repeated by gym enthusiasts for decades.
Muscle soreness after a heavy workout is actually not caused by the buildup of lactic acid, completely debunking a pervasive fitness myth that has been…
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Taste receptors are not exclusively confined to your tongue, as scientists have discovered fully functional bitter taste receptors lining the walls of your lungs, airway, and even your intestines.
Taste receptors are not exclusively confined to your tongue, as scientists have discovered fully functional bitter taste receptors lining the walls of your…
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Consuming calories late at night does not magically cause you to store more fat than eating the exact same meal during the daytime; the deeply entrenched diet myth that your…
Consuming calories late at night does not magically cause you to store more fat than eating the exact same meal during the daytime; the deeply entrenched diet…
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Muscle tissue cannot physically transform into body fat when you stop exercising because they are two fundamentally distinct biological structures operating completely…
Muscle tissue cannot physically transform into body fat when you stop exercising because they are two fundamentally distinct biological structures operating…
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Most of digestion's waiting time happens after nutrients are absorbed.
Most of digestion's waiting time happens after nutrients are absorbed. Food spends hours moving through the stomach and small intestine, where digestion and…
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Urinary bladders are exceptionally highly flexible muscular sacs capable of comfortably holding up to half a liter of liquid, and their internal stretch receptors continuously…
Urinary bladders are exceptionally highly flexible muscular sacs capable of comfortably holding up to half a liter of liquid, and their internal stretch…
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Cells have a recycling system for their own worn-out parts.
Cells have a recycling system for their own worn-out parts. In autophagy, material is enclosed and delivered to compartments where enzymes break it down. The…
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Your body fat sends messages to your brain.
Your body fat sends messages to your brain. Fat tissue stores energy, but it also releases hormones involved in appetite and metabolism. Leptin, for example,…
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