Health
Discover facts about health. Small discoveries that change the way you see familiar things.
Health
Eccrine sweat is just pure unadulterated fluid moisture
Unlike the thick sludge from your armpits, the millions of eccrine glands covering your body are basically just chaotic lawn sprinklers. They pump out an…
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Your body generates a tiny magnetic field
Thanks to the tiny electrical currents running through your nervous system and the trace metals in your tissues, you generate an extremely weak, completely…
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Newborns begin life seeing in black and white
Welcome to the world, everything looks like a classic noir film. Infants spend their first few weeks entirely incapable of distinguishing colors. They are…
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Why female cells can use different X chromosomes
Thanks to X-chromosome inactivation, biological females have different X chromosomes active in different cells. Technically, they are genetic patchworks, much…
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Queen Elizabeth I had an early flushing toilet
In 1592, the Queen's godson created a revolutionary device that featured a water tank and a wash-down valve, effectively creating the first flush toilet. He…
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Pilates began with springs in an internment camp
If your expensive reformer class feels like a hostage situation, that is historically accurate. Joseph Pilates developed his famous conditioning routine while…
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Tonsils sit right at the frontline of throat defense
These two fleshy lumps exist merely to catch incoming airborne threats immediately upon entry. They essentially sacrifice themselves daily to keep your…
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Fast twitch muscles tire out almost immediately under load
They are the undisputed kings of explosive, dynamic power, but they possess absolutely zero work ethic. Designed entirely for rapid, intense bursts of…
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Levator labii superioris alaeque nasi
This is the longest name for any muscle in the human body. Its sole, dramatic purpose is to flare your nostrils and aggressively elevate your upper lip when…
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Why human lungs can float
If you ever needed proof that your chest is basically built like a biological life jacket, look to your respiratory system. Thanks to millions of microscopic…
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Chewing gum burns calories—just not many
Working out your jaw muscles is the laziest fitness routine ever invented. The repetitive mechanical act of chomping down on flavored rubber genuinely…
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First commercial deodorant officially rolled out in 1888
For almost all of human history, society simply accepted that everybody smelled like old onions and hard labor. It wasn't until 1888 that an unknown inventor…
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Flotation tanks charge a premium to float in total darkness
Invented by an eccentric researcher studying consciousness, these enclosed tubs are filled with incredibly salty water to ensure perfect buoyancy. People now…
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Some soft bread uses hair-derived ingredients
Enjoy your incredibly soft morning toast, now with a hint of barbershop floor. Many commercial dough conditioners utilize L-cysteine, an amino acid cheaply…
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Your stomach has a strict bouncer at the exit
At the exit of your stomach sits a remarkably stubborn muscular ring. It meticulously guards the entrance to the lower tract, refusing entry to any matter…
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You have a dominant eye and a dominant ear
Hand dominance is not an isolated quirk; your entire sensory apparatus takes sides. You inherently possess a dominant eye that leads your visual processing,…
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Measles can linger in an empty room for hours
If infectiousness were an Olympic sport, measles would take the gold every time. It is so outrageously contagious that a single infected person can transmit…
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Why eggs may not raise your blood cholesterol
The diet industry spent the 90s treating egg yolks like biological weapons. Here's the plot twist: dietary cholesterol has very little impact on blood…
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Why older parents can pass on more mutations
The longer you wait to pass on your genetic legacy, the more molecular typos you accumulate to hand down to the next generation. It is a cynical biological…
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Brown eggs aren't more nutritious
Paying a premium for brown eggs because they look more 'rustic' is hilariously foolish. The color is determined entirely by the breed of the chicken laying…
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Why belly-button lint is usually made of shirt fibers
Your navel isn't just an old scar; it's an active textile harvester. The coarse hair surrounding the belly button intentionally acts like a one-way ratchet,…
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Men produce millions of reproductive swimmers daily
Operating on absurd levels of biological overkill, the male reproductive system churns out a completely unnecessary amount of swimmers every single day,…
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A baby's first poop is odorless tar
Before birth, a developing infant creates a wildly bizarre internal byproduct just by practicing how to swallow. This first intestinal passage is composed…
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Your tooth enamel is thinner than you think
You rely on a protective layer that is literally the width of a coin. Tooth enamel is at most about 2.5 millimeters thick, meaning you are constantly grinding…
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