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Backpacker Magazine – February 1998

Not-So-Wise Tales

If you think ringworms crawl or chewing poison ivy prevents the itch, you're obviously a fan of medical fiction.

by: Buck Tilton

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Paul Bunyan and Pecos Bill have been around more campfires than perhaps any two men in history. Not in a literal, flesh-and-blood sense, of course, but in the form of tall tales that have fascinated young and old alike for many a generation. Mind-stretching, imaginary stuff with no harm done.

Tale-spinning isn't reserved solely for blue oxen or cowboys who ride tornadoes, though. There are some camp yarns that can harm-medical myths and misconceptions spun from the spool of ignorance and passed down, frayed ends and all, as backwoods gospel. It's time to set the record straight.

The stinging truth: How many times have you heard that the best way to remove a bee stinger and the attached venom sac is to scrape the sting site, but don't squeeze and pull? Too many times, I bet.

One thing is certain: You need to remove the stinger as soon as possible since it continues to pump venom into your body even after the bee has buzzed away. Left in too long, the stinger can also cause infection. As for the best method of removal, tests have shown that scraping with a stiff object like a fingernail or credit card may work in some cases, but grabbing the stinger with your fingers works just as well and won't make the injury worse.

Don't give the sun any lip: It surprises me how often I hear this one: Gradually exposing your lips to longer and longer periods of sun will make them tougher and less likely to burn. It's usually uttered by people who forgot to bring lip balm.

The truth of the matter is that when outdoors, you must pucker up and smear on sunscreen. That's because lips are not true skin. They're mucous membranes and lack melanin, the pigment that gives skin its color and provides a brief degree of natural sunscreening. So actually, your lips will burn easier than your skin. There's also the matter of lip cancer, so be safe and wear a protective coating whenever you're outside.

Itching to take vitamins: Some vitamin manufacturer probably started telling folks that taking large doses of vitamin B1 will protect you from mosquitoes. And there's no harm in trying, but get ready to scratch. Vitamin B1 (thiamin) is essential for your body to metabolize carbohydrates and fats properly, and you need only 1?2 milligram per 1,000 calories of food for good nutrition. As for repelling mosquitoes, tests were conducted on volunteers who took a whopping 200 milligrams of B1 three times per day and then were exposed to hungry 'skeeters. They got just as many bites as volunteers who didn't take supplemental vitamin B1.

Pass the salt: Taking salt tablets during physical exertion will help prevent and treat heat-related problems like heat exhaustion.

How can a gastric irritant help you? That's what salt tablets are and that's why they're not recommended for human consumption, especially when you're hot and thirsty. What you need to prevent and to treat heat-related problems, of course, is water. Adding salt to water, by the way, won't increase the rate your body will absorb the fluid, although cold water is absorbed faster than warm. Don't discount the value of salt completely, however. A pinch (too little to taste) added to a liter of water may help prevent and treat heat cramps. The old maxim still holds: Clear and copious urine indicates a well-hydrated hiker, and one less prone to heat problems.

DEET way and dat: DEET-less bug repellents don't offer much protection.

That one has a legion of true believers. DEET deserves its reputation as the most effective insect repellent. No argument there. But natural citronella-based repellents in concentrations of 10 percent have been shown to effectively repel insects for up to 2 hours-as long as 10 percent DEET products. More and more people, especially those with young children, are concerned about the potentially harmful side effects of DEET, so if you're one of them, try one of the natural products. Although other herbal products have repelling qualities attributed to them, citronella is thus far the most effective herbal product for repelling mosquitoes approved by the Environmental Protection Agency.

Ring around the worm: Did your mother ever tell you that walking barefoot in summer increases the risk of a ringworm burrowing into your skin? Mine did.

You can& contract certain skin conditions while going shoeless. For instance, the fungus that causes athlete's foot can be picked up from soil, typically in warm, humid climates, although more often you get it in public shower stalls.

As for "ringworm," that's the popular term for several fungal infections caused by dermatophytes ("skin plants"). The name ringworm comes from the fact that the resulting inflammation is wavy, wormlike, and sometimes circular. "Ringworm" of the foot is athlete's foot; on the groin it's referred to as jock itch; it can also show up on the scalp, the bearded area in men, and basically anywhere there's skin. Most cases are passed human-to-human or furry-animal-to-human. Dermatophytes like it warm, wet, and dark and are encouraged by poor skin hygiene, skin chafed by tight clothing, and skin puffy from long exposure to moisture. Over-the-counter antifungal medications usually whip fungal infections into submission.


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