Questions tagged [physiology]

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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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 link ...
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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 ...
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Does sleeping together naked help stay warm?

In a bunch of films and other entertainment, when characters find themselves in a cold place with no heating but must sleep, they conclude that to stay warm, they should sleep as close to each other ...
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Is it possible to increase the breast size of a woman through massage?

Caitlin MacKenna writes in Increase a Cup Size in 30 Days with Breast Massage: If you massage your breasts for 20-30 minutes a day, they should grow one cup size larger in 30 days. Massage ...
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Do long-haired men have better intuition?

I found an article on Worldwide Hippies which describes a military experiment on the intuitive abilities of Native American trackers: Then they would pair two men together who had received the same ...
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1answer
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Is it possible for people over 25 years old to to grow taller?

Human height growth tends to saturate at age of 15 in females and 18-20 in males. But, many claim (i.e. "How to increase your height with easy exercises") that it is possible to increase your height ...
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833 views

Does giving a drug to a former addict cause reestablishment of chemical dependence?

Joel Spitzer, an anti-smoking counsellor, claimed on whyquit.com that there is a law of addiction which is: The law of physiological addiction states administration of a drug to an addict will ...
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926 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] He ...
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Can “Current Mohan” conduct high levels of electrical current through his body?

I saw this episode of Stan Lee's Superhumans featuring Raj Mohan Nair, also known as "Current Mohan". He seems to be able to conduct electric current through his body to power up household electrical ...
14
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Can people lift hundreds of pounds or run faster due to adrenaline?

You often hear stories about fathers lifting cars or heavy trees off their sons when an accident happens, but is there any truth to this? Can people suddenly lift more or run faster than they ...
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Does playing basketball help you grow taller?

Some people believe that playing basketball encourages you to grow taller. For example: A Scientific Theory On Why Playing Basketball May Indeed Make Young Teenagers Increase In Height And Grow ...
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Getting ill because of staying in a draft/draught?

In Germany it’s a common belief that drafts/draughts can make you ill. Because of that, car and train windows typically get/stay closed, even when it’s really hot; and, for instance, on a warm day in ...
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634 views

Does menstruation affect the ability of women to do blue-collar work?

I just read about the concept of menstrual leave. The Wikipedia article says it originated in Japan, and applies in a couple of asian countries. In 2005, Australian Manufacturing Workers Union ...
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925 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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545 views

Are Indians immune to Israeli stink bombs?

Russian Television network, RT report that: An Israeli crowd control stink bomb known as the Skunk, which smells like raw sewage and rotting bodies, destined for employment in the restive region of ...
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2k views

Does picking your nose make it grow?

Does pulling/tugging at your soft cartilage cause it to grow? Example of claim on answers.com Don't pick your nose. Compulsive nose picking, known as rhinotillexomania, can increase the size of ...
10
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6k views

Did a man survive a 30mph fall from a tornado without breaking a bone because he was unconscious?

This segment of the television show "Human Body: Pushing The Limits - Episode 1 - Strength" claims a person was sucked up by a tornado, and when he fell out of it he broke no bones because he was ...
9
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324 views

Can one permanently enlarge their breasts with the use of a breast pump?

There are many websites and products online that claim to have ways to enlarge a female's breasts. One common technique that they use is simply a vacuum pump. There's no denying that these temporarily ...
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658 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 of ...
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Can you tell someone has seen combat by looking at their face?

There is a common claim that, by looking into the face or eyes of a person, you can see that they have seen combat, or other traumatic events. It is particularly mentioned in movies, songs and poems. ...
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Does training while wearing weights improve body performance?

Everybody has heard about training while wearing weights in different parts of your body: ankles, arms, torso, etc. There are many references in cartoons that treat about Martial arts like the ...
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Can canning tomatoes while menstruating spoil the tomatoes?

My wife was recently canning tomatoes, and her aunt asked if she was on her period because supposedly that will ruin the batch. Her grandmother is the one that taught her aunt, but neither of us had ...
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Were giant human bones discovered in Castelnau?

French anthropologist Georges Vacher de Lapouge (1854 - 1936) reported in 1890 the discovery of "the Giant of Castelnau" - giant bones in neolithic tombs, in southern France. According to Mr. de ...
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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 true?...
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Is yogurt affected by human emotions?

The documentary I Am (Wikipedia) (YouTube video) makes a number of claims, including that more signals are sent from the heart to the brain than vice-versa, and that the your emotion or mood can have ...
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808 views

Would an eyemask obscure a persons identity?

Often in movies and comics characters wear a simple mask around the eyes, which seems successful at hiding their identities. Examples would be Zorro, Green Lantern, Robin Image source Is there any ...
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Does your hair grow faster when you're sick?

A friend told me that when you're sick, your hair grows faster. When I started asking a lot of questions, my friend said it's a known fact but she doesn't remember where she heard it first or what was ...
6
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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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Does holding your stomach in prevent it from growling?

To save me from the embarrassment of a growling stomach my friend claimed that if I hold my stomach in, it restricts room for the stomach to move, and therefore cease its growling. Does this method ...
5
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Do swimmers' lungs use oxygen up to 3 times more efficiently than an average person?

I've come across a statement which is the following : At their peak, swimmers' lungs will use oxygen three times more efficiently than an average person. First time I saw it was on wikihow's page ...
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275 views

Do Vacuum Constriction Devices (penis pumps) work 50-80% of the time for erectile dysfunction?

The authoritative WebMD site has an article Erectile Dysfunction: Vacuum Constriction Devices: A vacuum constriction device (VCD) is an external pump with a band on it that a man with erectile ...
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340 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 ...
5
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Do stress-protection deodorants work better for stress sweat?

Many deodorant manufacturers claim that they have products specifically targeted to prevent stress sweating, or "emotional sweating" as I have seen. Some examples come from Nivea and Vichy. Did you ...
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Does bathing in chlorinated water ruin your tan?

Does bathing in swimming-pools (e.g., at hotels or water parks), where chlorine is added to the water, brighten your skin? I've heard from many different people that bathing in pools with chlorine ...
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187 views

Does dark chocolate benefit athletic performance?

Dark chocolate has been "proven" to increase the performance of (amateur) athletes competing in endurance sports. Some sources: fitnessmagazine.com Deakin University The Telegraph ... and many more. ...
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882 views

Has anyone used yoga to live for supernatural lengths of time?

According to this commentary on the Bhagavata Purana by Swami Prabhupada: By controlling the breath, the perfect yogī can continue his life for as long as he likes. Sometimes we hear from the Vedic ...
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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: ...
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Does Pavan Mukta Asana help releasing gastrointestinal gas?

Pavan Mukta Asana As mentioned above, practicing the purvana-mukta-asana will help to release gastrointestinal gas. It is also improves other gastrointestinal problems like upset stomachs and ...
4
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For people with high body odor, is it better to wear cotton or microfiber?

For people with high body odor, is it better to wear cotton or microfiber? It's a tough question as there is a good argument for both sides. Argument in favor of cotton: As it has lower ...
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312 views

Are left-handed people better at mathematics?

During a math exam, I was told: "You are left-handed, you should become a mathematician." I searched online and, sure enough, there are some web-sites claiming that left-handed people tend to be ...
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240 views

Is a highly variable diet better than a steady one for human health?

Nicholas Nassem Taleb has argued that many systems become more robust when subjected to random shocks (a property he calls Antifragile in his book of that name). One of the systems he applies his ...
3
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1answer
364 views

Does the Graston Technique effectively treat limited mobility due to scar tissue?

The Graston Technique is a form of "cross fiber" massage with a metal instrument. The Graston Technique® incorporates an evidence-based form of instrument-assisted soft tissue mobilization that ...
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0answers
488 views

Does carrying or consuming onions help to prevent heatstroke and/or reduce your body temperature?

Will consuming onions help to reduce your body temperature, or prevent heatstroke? Some common variations of this claim include applying onion juice to your skin, or even just carrying an onion in ...
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162 views

Do out of sync propellors make passengers more likely to be airsick?

In a multi-engine propellor-driven aircraft, propellor synchronization occurs when the two propellors are turning at the same RPM. Propellor synchronization eliminates beating. The purpose is for ...
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239 views

Did György Sherfezi fall from the 10th floor on a passing Laszlo Karvasha and both survived?

Some researchers of Coincidence insist on the veracity of the story: "A resident of Budapest György Sherfezi fell out of the 10th floor window and landed on a passing Laszlo Karvasha. Exactly one ...
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Does handling your food release digestive juices and enzymes that enhances the meal?

In a Google Arts & Culture article, Yẹ́misí Aríbisálà, "Nigerian essayist, writer and food memoirist", states the following: There are scientific claims that fingers have powerful nerve ...