Human physiology is the science of the mechanical, physical, and biochemical functions of humans in good health, their organs, and the cells of which they are composed. The principal level of focus of physiology is at the level of organs and systems within systems.

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Was this video about a person who can withstand electricity staged? [duplicate]

This video, which is apparently by History.com Channel, shows a man called "Electric Mohan" from Kerala, India who doesn't get harmed when electricity flows through him. Is it possible for any human ...
5
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2answers
621 views

Does your brain keep thinking for seven minutes after you die?

There is a widely published meme that you keep thinking after you die: After you die, it is believed that you have 7 minutes of brain activity left inside you Obviously it doesn't hold ...
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0answers
847 views

Can someone get pregnant merely by using the swimming pool?

This Daily Mail story says that a woman went to court as her daughter got pregnant by swimming. A mother is suing a hotel claiming her teenage daughter fell pregnant simply from using a hotel ...
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1answer
418 views

Does chugging Gatorade before going to sleep prevent a hangover in the morning?

Is drinking Gatorade after a night of drinking an effective method for preventing hangovers? A Forbes article claims: Sports Drinks You not only lose water when you booze, you also dump ...
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1answer
1k views
+500

Is this shoe lacing technique effective at preventing blackened toe nails?

See: Reddit: LPT: How to lace your running shoes (June 7, 2015) Reddit: Black toes from ultimate? (May 20, 2015) Runner's World: How To Lace Shoes: Prevent Black Toe Nails (March 4, 2011) They ...
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1answer
5k views

Did an experiment show none of 680 Air Force cadets were of “average” size?

Various workshops given by Nielsen-Norman Group in the User Experience field, mention a specific experiment that involved Air Force cadets. The experiment is meant to illustrate the point that ...
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1answer
646 views

Does getting a running start increase your vertical jump?

Many people believe that a run-up helps them to jump higher. Is this true? (While it seems natural to do this, I'm having trouble believing that horizontal speed can help one jump vertically.)
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0answers
61 views

The Yogi that Never Eats, is it true? [duplicate]

A few years ago a yogi from India made the headlines claiming that he hadn't eaten for over 7 decades. It was said that he was under observation for 2 weeks in a hospital and allegedly was never seen ...
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1answer
223 views

Does exercise affect the number of muscle cells?

Washington.edu reported that: Muscle cell number is affected by exercise level while young and elitefitness.com said: a trainee in the early stages of training would increase cell number ...
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7answers
18k views

Could people perceive the color blue in ancient times?

This article claims that no ancient language anywhere in the world had the word for "blue", that for instance Homer described the sea as "wine-dark", and that the color blue has only appeared more ...
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0answers
522 views

Does the human body crave missing vitamins?

My mother has told me that if your body needs a certain vitamin, you will find you feel like eating fruits that include that vitamin. For example, if you have lack of Vitamin C, you'll get a craving ...
8
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2answers
497 views

Does the nose stop smelling a scent after a few minutes?

A teacher once told me that after detecting a new scent, you will only be able to smell it for a few minutes. Is this true? If so, why? What is the precise length of time one can smell, and does it ...
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0answers
182 views

Does “power posing” affect testosterone and cortisol levels?

Social psychologist Amy Cuddy gave a TED talk in which she claims that adopting certain postures: can affect testosterone and cortisol levels in the brain. Business Insider Australia summarised ...
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0answers
437 views

Are most women incapable of orgasm through vaginal stimulation alone?

In Wikipedia's article of Orgasm it suggests vaginal stimulation isn't sufficient for women's sexual pleasure: Kinsey found that most of the women he surveyed could not have vaginal orgasms.[59] ...
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0answers
420 views

Does orgasm trigger menstruation?

Wikipedia states, without a particularly satisfying source, that: Some sources say that achieving orgasm helps the uterus contract and expel the lining. It does quote some other opinions there, ...
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1answer
7k views

Is the reason for crying related to which eye releases tears first?

Recently I had a glance at this post from #8Fact on Facebook claiming that when you cry out of happiness, the first tear drop comes from your right eye, when you cry out of pain it comes from your ...
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0answers
249 views

Could pain through stretching increase general pain tolerance?

I found a how-to guide (not exactly a reliable source, I know) that claims that e.g. stretching your legs to the point of pain to increase flexibility also increases your general tolerance to pain: ...
5
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0answers
277 views

Does sleeping in a cold room reduce the risk of diabetes?

According to Elite Daily, there may be some health benefits to sleeping in a room at between 60-67°F (15-19°C) In particular, they cite Temperature-acclimated brown adipose tissue modulates ...
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1answer
356 views

Do humans normally pass gas 6 to 21 times per day?

10 Fascinating Facts About Farting People Pass Gas About 14 Times Per Day Fart, Burp, and Embrace Gas! Catapulting gaseous elements out of your orifices 13 to 21 times a day is average. ...
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1answer
1k views

Do specific exercises target specific fat deposits?

It is common to see marketing for exercise routines that claim to target fat deposits in a particular part of the body. Examples: 9 Moves to Beat Belly Fat for Good 8 moves to melt off that pesky ...
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2answers
510 views

Can a person “suspend their pulse”?

The Wikipedia article about Tirumalai Krishnamacharya, the "father of modern yoga", claims During the 1920s, Krishnamacharya held many demonstrations to stimulate popular interest in yoga. These ...
7
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1answer
6k views

Does raising your arm in the air help when you are coughing/choking on something?

When I was younger I once choked on some food and started coughing heavily, my Dad then told me to raise my arm in the air in order to "help raise the diaphragm". It actually helped with the coughing ...
20
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1answer
654 views

Does stretching help children grow taller?

This article claims: Stretching is a great way to increase height. Get your child to start with simple stretches like the wall stretch. Make him stand against a wall with the back towards it. ...
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1answer
3k views

Did David Blaine hold his breath for 17 minutes?

David Blaine (born David Blaine White; April 4, 1973) is an American magician, illusionist and endurance artist. He is best known for his high-profile feats of endurance, and has made his name as a ...
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2answers
10k views

Is tequila a depressant?

I recently read this Buzzfeed article after witnessing excessive drunk crying. It claims: Unlike other forms of alcohol, tequila is not a depressant. As a source, it quotes Esquire: Tequila ...
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1answer
2k views

Can the explosion of a pressure cooker kill you?

According to this XKCD what-if?, the explosion of a pressure cooker is not dangerous in itself, the heat is the sole danger. They can explode, in a sense, but not as violently as you might fear ...
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1answer
592 views

Does rubbing a bruise help against haematomas?

My parents always told me to rub firmly directly after I bruised myself, say after a hit with a blunt object (without damage to the skin). The explanation would be that this helps against haematomas ...
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2answers
743 views

Can we see a single candle X miles away?

Recently I saw a commercial for Centrum that claims you can see the light of a single candle from ten miles away. I was skeptical, but a trip to the internet claims that not only is that true, but ...
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1answer
723 views

Does sleeping naked in a sleeping bag keep you warmer?

The most popular question on outdoors.SE is Is it warmer to sleep naked in a sleeping bag? Now, all the answers over there are not properly researched and it was suggested in one of the ...
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1answer
883 views

Do you bleed more when drunk?

While my friend was getting a tattoo the tattoo artist said you'll bleed more because you're drunk. Is this true?
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1answer
2k views

Do women have smaller bladders than men?

It is a common belief that women need to go to the bathroom more often than men because of the smaller size of their bladders. Is this true? Are there more factors involved?
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0answers
145 views

Does drinking beer help to cure a hangover? [closed]

It's been a long-known saying that drinking beer cures hangover. It is said that a hangover is your body craving for alcohol, so drinking a beer helps the body. Is it true?
6
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1answer
598 views

Do pregnant women “glow”?

In fiction it's as common as dirt to hear "you're glowing" as a response to news that someone is pregnant or an indication of it without it being said. This doesn't seem to be limited to just ...
5
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1answer
390 views

Does neck-strengthening exercise prevent knockouts in boxing?

There are sites that claim stronger necks help prevent knockouts when boxing... For example: Livestrong Most boxers work hard to strengthen their legs for a good, strong base and their arms for a ...
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0answers
249 views

Can sighted people learn to read braille by touch at a level comparable to blind individuals?

I've been told by a friend who works at a school for the blind that no sighted person has ever learned to read braille by touch at the level that is comparable to a literate blind person. Is this ...
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0answers
366 views

Are bodily deficiencies “mapped” to facial acne?

There's a picture and body of text making its way through Tumblr again: What is your acne telling you? 1 & 2: Digestive System — Eat less processed or junk food, reduce the amount ...
53
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2answers
12k views

Is this André the Giant's hand holding a can of beer?

Is this a genuine image of the hand of André René Roussimoff (André the Giant) holding an everyday 12-ounce (350 mL) can of beer? Uproxx and reddit suggest it's real (and word is he once drank ...
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1answer
434 views

Are 75% of cells in the human body non-human? [duplicate]

A recent issue of the Swiss popular science magazine "Beobachter Natur" contains an article about microbes in which the following claims are made: 75% of the cells in our body are non-human, however ...
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0answers
257 views

Is a fistula through a torso possible?

I recently read about the "Huamn Pincushion" Mirin Dajo who used to apparently pierce his own torso on stage. All the reports seem to agree, that this was not fake. X-Ray images and video footage ...
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1answer
805 views

Does cutting or shaving the hair of infants cause better hair regrowth?

An earlier Skeptics Stack Exchange question asks: If you shave or wax, will the hair grow back stronger or thicker? However, I am interesting in a more specific claim: that shaving the head of an ...
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1answer
916 views

Does standing as opposed to sitting or lying improve brain activity?

I've been hearing since grade school that standing straight improves brain activity, that you will be able to think clearer, faster, better, etc. Mostly, it's teachers who say that, but I have yet to ...
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0answers
3k views

Is Shaolin monk Hu Qiong using “Chi energy” to withstand an electric drill?

In one of the episodes of Stan Lee's Superhumans (the excerpt in question can be viewed here) a Shaolin monk named Hu Qiong claims that by training his body and "transfering Chi to the right part of ...
4
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1answer
159 views

Amongst the 60% of the population that have different size feet, is the left foot 80% of the time the larger foot?

http://www.quadcitiesrealestate.com/SHOE_ARTICLES/Different_Size_Feet.htm says: First, you should know that 60% of the population have different size feet that we will pick up when measuring. ...
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0answers
205 views

Does running, short or long distance, cause muscle loss?

I often hear the claim that running promotes muscle loss. To what extent is this true? If a person is a triathlete don't they need bot cardio and muscle? Does it matter what distance is run and the ...
7
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1answer
2k views

Are “ectomorph”, “mesomorph” and “endomorph” valid and useful descriptors?

In the 1940s, American psychologist William Herbert Sheldon formulated the theory of constitutional psychology. One of the proposals in this theory is that there are three basic elements, or ...
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0answers
228 views

Tensile strength of bone & the bible [closed]

The Bible says that Samson "found a moist jawbone of a donkey, and put forth his hand and took it, and killed with it a thousand men." How many Philistines could one actually slay with the moist ...
6
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0answers
11k views

Can the UltimEyes app improve distance vision?

I came across the Ultimeyes app and am very concerned many people will be throwing away their money. ULTIMEYES® is a non-invasive interactive program designed specifically to improve vision by ...
4
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2answers
544 views

Can the digit ratio predict personality or behavior?

Recently I hear more and more often about the correlation between the digit ratio and the behavior of a person (or even his successes studying scientific subjects, etc.) Are there any large-scale ...
7
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0answers
589 views

Does sneezing repeatedly lead to orgasm, or a similar sensation?

This came up randomly during office talk but it goes something as follows; sneezing repeatedly is equivalent to having an orgasm. Some basic research on the internet seems to indicate there is some ...
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4answers
395 views

Do the types of food affect a calorie restricted diet?

Can food type have any effect on weight loss even though net calories would remain constant? For example, The Fast Diet FAQ, which is a diet based on Intermittent fasting, contains the following ...