Health
Discover facts about health. Small discoveries that change the way you see familiar things.
Health
Dysmenorrhea involves severe uterine contractions driven by inflammatory chemicals called prostaglandins, temporarily cutting off oxygen to surrounding muscle tissues and causing…
Dysmenorrhea involves severe uterine contractions driven by inflammatory chemicals called prostaglandins, temporarily cutting off oxygen to surrounding muscle…
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Human bodies contain enough iron to forge a single, small metal nail roughly three inches in length, primarily concentrated within the hemoglobin of our red blood cells; this…
Human bodies contain enough iron to forge a single, small metal nail roughly three inches in length, primarily concentrated within the hemoglobin of our red…
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Vocal cords are surprisingly small bands of muscle tissue, measuring less than an inch long in most adults, yet they can vibrate up to a thousand times per second to produce high-pitched sounds.
Vocal cords are surprisingly small bands of muscle tissue, measuring less than an inch long in most adults, yet they can vibrate up to a thousand times per…
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Earwax is genetically linked to your apocrine sweat glands, meaning the type of wax in your ears directly correlates to your specific body odor profile.
Earwax is genetically linked to your apocrine sweat glands, meaning the type of wax in your ears directly correlates to your specific body odor profile.…
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Fetal microchimerism is a biological phenomenon where a developing fetus sends its own stem cells through the placenta to actively repair damaged organs in the mother's body.
Fetal microchimerism is a biological phenomenon where a developing fetus sends its own stem cells through the placenta to actively repair damaged organs in…
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Drinking hot beverages on a hot day cools you down faster than drinking ice-cold water, a counterintuitive physiological trick that exploits your body's sweat response; the…
Drinking hot beverages on a hot day cools you down faster than drinking ice-cold water, a counterintuitive physiological trick that exploits your body's sweat…
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Chewing ice is officially recognized as a symptom of iron deficiency anemia, a condition known as pagophagia; when your body lacks enough iron to produce adequate hemoglobin,…
Chewing ice is officially recognized as a symptom of iron deficiency anemia, a condition known as pagophagia; when your body lacks enough iron to produce…
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Exercising in a state of anger can significantly increase your risk of experiencing a heart attack, especially if you are engaging in heavy resistance training; the combination…
Exercising in a state of anger can significantly increase your risk of experiencing a heart attack, especially if you are engaging in heavy resistance…
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People who complain about being completely unable to function without their morning coffee are actually experiencing clinically recognized drug withdrawal symptoms; the headache,…
People who complain about being completely unable to function without their morning coffee are actually experiencing clinically recognized drug withdrawal…
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Eating cheese before bed genuinely alters your dreams, with studies showing that the specific bacterial and fungal profiles of different cheeses can influence the vividness and…
Eating cheese before bed genuinely alters your dreams, with studies showing that the specific bacterial and fungal profiles of different cheeses can influence…
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Tears caused by emotional distress have a completely different chemical composition than the tears your eyes produce to clear out dust or chop onions; sadness tears contain…
Tears caused by emotional distress have a completely different chemical composition than the tears your eyes produce to clear out dust or chop onions; sadness…
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Muscle cramps are rarely caused by dehydration or potassium deficiency, despite what the multi-billion-dollar sports drink industry wants you to believe; they are actually caused…
Muscle cramps are rarely caused by dehydration or potassium deficiency, despite what the multi-billion-dollar sports drink industry wants you to believe; they…
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Forcing your facial muscles into a fake, pained smile can actually trick your brain into releasing serotonin and dopamine, lowering your heart rate and reducing stress levels.
Forcing your facial muscles into a fake, pained smile can actually trick your brain into releasing serotonin and dopamine, lowering your heart rate and…
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Fingers do not contain a single muscle, and all of the incredibly precise movements required to type, play instruments, or text your ex are controlled entirely by tendons pulled by muscles in your palms and forearms.
Fingers do not contain a single muscle, and all of the incredibly precise movements required to type, play instruments, or text your ex are controlled…
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Washing your hands with regular soap and water does not actually kill most bacteria, but instead relies on the friction and molecular structure of soap to physically detach…
Washing your hands with regular soap and water does not actually kill most bacteria, but instead relies on the friction and molecular structure of soap to…
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Keratin proteins structurally weave together so tightly that a single strand of healthy human hair can support roughly three ounces of weight, meaning a full head of hair…
Keratin proteins structurally weave together so tightly that a single strand of healthy human hair can support roughly three ounces of weight, meaning a full…
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Microscopic shadows cast on your retina by tiny clumps of collagen proteins drifting freely inside the gel-like vitreous humor of your eyeball are what create those annoying…
Microscopic shadows cast on your retina by tiny clumps of collagen proteins drifting freely inside the gel-like vitreous humor of your eyeball are what create…
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Consuming a strong cup of coffee immediately before taking a twenty minute nap represents the ultimate biological lifehack because sleep clears out adenosine from brain receptors…
Consuming a strong cup of coffee immediately before taking a twenty minute nap represents the ultimate biological lifehack because sleep clears out adenosine…
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Gaining skeletal muscle mass physically adds brand new nuclei to your muscle cells, and these microscopic control centers permanently remain in your tissues even if you stop…
Gaining skeletal muscle mass physically adds brand new nuclei to your muscle cells, and these microscopic control centers permanently remain in your tissues…
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Fingernails on your dominant hand grow noticeably faster than the ones on your non-dominant hand simply because increased daily usage stimulates greater blood flow and nutrient delivery to those specific fingertips.
Fingernails on your dominant hand grow noticeably faster than the ones on your non-dominant hand simply because increased daily usage stimulates greater blood…
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Bone conduction is the primary reason you are absolutely horrified by the sound of your own voice on a recording, as you are usually the only person who hears it filtering…
Bone conduction is the primary reason you are absolutely horrified by the sound of your own voice on a recording, as you are usually the only person who hears…
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Flatulence travels out of your body at speeds reaching up to ten feet per second, an alarmingly fast metric for an invisible cloud of methane and hydrogen sulfide; on average, a…
Flatulence travels out of your body at speeds reaching up to ten feet per second, an alarmingly fast metric for an invisible cloud of methane and hydrogen…
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Cardiopulmonary resuscitation requires a chest compression rate of one hundred to one hundred and twenty beats per minute, which perfectly matches the tempo of the song Stayin' Alive by the Bee Gees.
Cardiopulmonary resuscitation requires a chest compression rate of one hundred to one hundred and twenty beats per minute, which perfectly matches the tempo…
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Nocturnal penile tumescence, aggressively known as morning wood, is actually a critical diagnostic indicator that a man possesses healthy blood vessels and a fully functional cardiovascular system.
Nocturnal penile tumescence, aggressively known as morning wood, is actually a critical diagnostic indicator that a man possesses healthy blood vessels and a…
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