Health Risks that Aren't Worth Taking
Although the overall risk is still very low, research suggests that
people who have spent the past decade or more frequently talking on
their cell phones in the traditional way are more likely to develop
brain tumors. John Walls, a spokesperson for industry trade group CTIA:
The Wireless Association, points out that no major American health
organization has said that wireless devices are a public health risk.
(The World Health Organization, though, has expressed concern.) And
texting or talking while driving--which boosts your chances of having a
car wreck by a factor of four--poses a far bigger risk than the
radiation may. But considering that you can get an earbud-type
hands-free set for as little as five bucks, why not take the
safest tack? "I think the data are strong enough that using a hands-free
set with your cell makes a lot of sense," says public health expert Ted
Schettler, M.D., science director of the Science and Environmental
Health Network.
2. PVC shower curtains.
That funky, chemical-y smell of new polyvinyl chloride (PVC) shower
curtains comes from volatile organic compounds, which may be
carcinogenic over time and can cause nausea and headaches in the short
term, according to the Environmental Protection Agency. "I always
recommend the good old-fashioned fabric curtains," says
preventive-medicine expert Suzanne Pham, M.D. Want something waterproof?
Look for vinyl acetate, which is safer, she says.
3. Microwaving in plastic.
Heat releases some of the chemical building blocks in plastic, sending
them into whatever food or drink you're warming up. One such chemical,
bisphenol A (BPA), "can mimic the effects of estrogen in the body,
potentially leading to issues like premature puberty and breast or
testicular cancer," says Pham. Even BPA-free plastics could release
substances that can have negative effects, so it's best to avoid
microwaving any plastic container, says Jennifer Lowry, M.D., a
medical toxicologist at Children's Mercy Hospitals and Clinics in
Kansas City, MO. All of our experts agree: Heat food or drink in glass
or ceramic.
4. Flea and tick collars.
Adults who play with a cat or dog while it's wearing a flea and tick
collar are exposed to up to 500 times the Environmental Protection
Agency's safe level of pesticides, according to a first-of-its-kind
study by scientists at the Natural Resources Defense Council. For
children, the levels can be 1,000 times higher than what's safe. The
worst are collars containing chemicals called (get ready for a mouthful)
propoxur or tetrachlorvinphos, which kill pests by disrupting their
nerve pathways. Four out of five top-selling brands we shopped for
contained one of these, so check labels. Luckily there are other
effective pest-killing options. "Pills that pets take internally seem to
be safer," says Jerome Paulson, M.D., chair of the American Academy of
Pediatrics council on environmental health. Two common brands are
Capstar and Program, which you can get for between $20 and $60 online or
from your vet. (For other--cheaper!--suggestions, go to greenpaws.org.)
5. Constantly running a humidifier.
Those little steam machines can be a life saver for parents with a
stuffed-up kid who can't sleep, but using them too often might make
things worse. A study by the New York State Department of Health found
that one of the biggest predictors of whether children developed asthma
was the frequent use of a humidifier at home. "Too much moisture
promotes mold and dust mite growth," which could be a problem for the
whole family, explains Morris Nejat, M.D., a pediatrician and allergist
in New York City.
6. Certain antibacterial soaps and toothpastes.
Triclosan is a germ killer found in a lot of antibacterial hand soaps,
body washes, and even some brand-name cavity-control toothpastes. But
the American Medical Association recommends against the use of
triclosan in our homes, because it may encourage the development of
scary bacteria that are resistant to antibiotics. "Studies have shown
that these triclosan products don't work any better than regular
cleansers or toothpastes, but they damage the environment and
potentially place our long-term health at risk," says Susan Shaw, Ph.D.,
an environmental scientist at the State University of New York, Albany.
Not sure whether triclosan lurks in your favorite products? Just check
the labels.
7. X-ray airport scanners.
You know those "backscatter" full-body X-ray machines at airport
security gates? Europe banned them several months ago because of health
concerns, but the machines are still in use in some airports in the
States. The Transportation Security Administration (TSA) says the amount
of radiation emitted by each scan is minuscule, but independent
research suggests the dose to some parts of the body is at least 45
times higher than the TSA claims and may even increase cancer risk,
particularly for the elderly and women predisposed to breast cancer.
Since you're already going to be exposed to radiation by flying, avoid
the extra rays and ask for a pat-down, says John Sedat, Ph.D., a
professor emeritus at the University of California, San Francisco.
8. Colon "cleansing."
Celebs may swear by this kind of thing, but colonics and
colon-cleansing pills could be dangerous, our experts said. The
intestines are self-cleaning, so unless you're getting a colonoscopy,
there's no reason to sweep the whole thing out, says gastroenterologist
Lisa Ganjhu. The pills are poorly regulated and could make you
laxative-dependent, she says; colonic enemas carry a risk of intestinal
perforation, which requires surgery to fix. To keep your digestive
system working smoothly, says Ganjhu, stay hydrated; eat lots of fruits,
veggies, and whole grains; and exercise. If you regularly have gas or
constipation, a probiotic supplement may help by adding more healthy
bacteria to your gut.
9. Ready-to-feed canned baby formula.
Bisphenol A (BPA) isn't only found in plastic--it's also used to line
the inside of cans to keep bacteria out. And according to tests
conducted by the nonprofit Environmental Working Group, one of the foods
that ends up most contaminated with BPA is canned liquid infant
formula. (Powdered formula, on the other hand, contains almost no traces
of BPA from its packaging.) If you must use liquid canned or bottled
formula, make sure not to warm it up in its original container, the U.S.
Department of Health and Human Services recommends.
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