Don't Swallow Your Gum!: Myths, Half-Truths, and Outright Lies About Your Body and Health

Paperback | May 26, 2009

byAaron E. Carroll, Rachel C. Vreeman, Drs Carroll & Vreeman

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People have more access to medical information than ever before, and yet we still believe "facts" about our bodies and health that are just plain wrong. DON'T SWALLOW YOUR GUM! takes on these myths and misconceptions, and exposes the truth behind some of those weird and worrisome things we think about our bodies. Entries dispel the following myths and more:

- You need to drink 8 glasses of water a day
- Chewing gum stays in your stomach for seven years
- You can catch poison ivy from someone who has it
- If you drop food on the floor and pick it up within five seconds, it's safe to eat
- Strangers have poisoned kids' Halloween candy

With the perfect blend of authoritative research and a breezy, accessible tone, DON'T SWALLOW YOUR GUM is full of enlightening, practical, and quirky facts that will debunk some of the most perennial misconceptions we believe about our health and well-being.

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From the Publisher

People have more access to medical information than ever before, and yet we still believe "facts" about our bodies and health that are just plain wrong. DON'T SWALLOW YOUR GUM! takes on these myths and misconceptions, and exposes the truth behind some of those weird and worrisome things we think about our bodies. Entries dispel the fol...

Dr. Aaron E. Carroll is an associate professor of Pediatrics and the director of the Center for Health Policy and Professionalism Research at the Indiana University School of Medicine.Dr. Rachel C. Vreeman is an assistant professor of Pediatrics in Children's Health Services Research at the Indiana University School of Medicine and co...

other books by Aaron E. Carroll

Format:PaperbackDimensions:240 pages, 7.19 × 5.07 × 0.7 inPublished:May 26, 2009Publisher:St. Martin's PressLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:031253387X

ISBN - 13:9780312533878

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Chapter One Men with big feet have bigger penises Have you ever noticed a man with particularly big feet and wondered if other parts of him were just as large? While some claim that a man's penis size can be predicted by the size of his feet, others say that it's the size of his hands or even his nose that really gives away the secret of what's in his pants. This idea of comparing body parts to estimate hidden assets may have originated with discriminating shoppers, but it may also have its roots in real science. The Hox gene in mammals plays a role in the development of the toes and fingers, as well as the penis or clitoris. Given how rarely one hears "gene expression" mentioned along with the talk of penises and feet, it seems much more likely that this myth springs from our desire, as humans, to identify patterns—even when the pattern is not really there. We like to have explanations for things we see, and we like to group like things with like things (in this case, appendages on men). Despite the similar genetic controls for these protuberances, men with big feet do not necessarily have bigger penises. While at first, the prospects for estimating penile length with a quick glance at a man's feet seemed promising, science now shows us that this is not the case. A study of sixty men in Canada suggested that there was a weak—but statistically significant—relationship between penile length and both body height and foot length (remember—statistically significant doesn't necessarily mean significant in real life). However, a larger study of 104 men, done by two urologists, Drs. Shah and Christopher, which measured penises when pulled to their longest lengths, found that shoe size and penis size were not correlated with one another. An even larger study called the "Definitive Penis Size Survey," which looked at 3,100 men, also found no relationship between shoe size and erect penis size. This was even when men reported their size, as opposed to direct measurement. And when men are asked to report the length of their own members . . . well, let's just say that science also shows us that exaggeration routinely comes into play. Furthermore, the "Definitive Penis Size Survey" was never peer-reviewed or published in a scientific journal. We trust the results from Drs. Shah and Christopher the most, but this survey backs them up. Studies also show no link between finger length and penis size. You can look at a guy's feet or hands all you want, but they won't tell you anything else about how he measures up. Excerpted from DON'T SWALLOW YOUR GUM! by AARON E. CARROLL and RACHEL C. VREEMANCopyright © 2009 by Aaron E. Carroll And Rachel C. VreemanPublished in June 2009 by St. Martin's Press All rights reserved. This work is protected under copyright laws and reproduction is strictly prohibited. Permission to reproduce the material in any manner or medium must be secured from the Publisher.