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  • HPV Vaccine: Why so Unpopular?

    It's been hailed as one of the most effective ways to prevent cervical cancer, but millions of young women have yet to get immunized.
  • What Addicts Need

    Addiction isn't a weakness; it's an illness. Now vaccines and other new drugs may change the way we treat it.
  • Ethanol Boom Saps Water

    Ethanol is supposed to be good for the environment. But producing green fuel can cost a lot of water.
  • Myth Meets Science

    Everybody's talking about human growth hormone, and lots of people are using it. But what does it do?
  • Vanilla Option

    The next revolution in green cars is more likely to come from ordinary combustion engines than some exotic technology.
  • In The Slow Lane

    Plug-and-play electric cars for urban drivers are pushing the envelope on green. Just don't try gunning them—yet.
  • Five Secrets of Salon Safety

    Ever worry where that stylist's hair brush or nail file has been? Here's how to avoid common salon mishaps and germs.
  • Lake Mead: Running Dry

    Climate research says Lake Mead, in the Southwest, could be gone by 2021. How millions in southern California and neighboring states would be affected.
  • The Real Laws of Attraction

    A new study reveals a surprising gap between what men and women say they want in a partner and what they actually choose.
  • The Price of Back Pain

    A new study reveals that Americans are spending record amounts on treatments for their aching backs. But are these expensive fixes a waste of money?
  • Out of the Wilderness

    A new study says we're not getting out into nature as much as we used to. Maybe that's a good thing.
  • Survived Cancer, Want Job

    Some childhood cancer survivors try to hide their disabilities; others admit to having problems but don't explain why.
  • Is Morgellons a Real Disease?

    After years of debate and controversy, the CDC is finally looking into the mysteries of Morgellons, an unexplained and debilitating skin condition that many doctors don't believe exists.
  • A Doctor's Lesson in Denial

    As a dentist, I always encouraged my patients to take their health seriously. So why did I keep ignoring that lump in my neck?
  • Elusive Happiness

    Misery is a rational response to the world, but sometimes you just have to feel good. Try not to get carried away.
  • The Cranberry UTI Cure

    Drinking a glass may not help treat an infection, but researchers believe it can help prevent one. Here's why.
  • Six Gym Health Hazards

    They offer great health benefits, but gyms are also breeding grounds for germs. Here's how to avoid getting a virus along with those toned abs.
  • The Science of Scratching

    Scientists are using state-of-the-art technology to look at what happens in the brain when a person scratches an itch. There's more going on than you might think.
  • You Say Aspirin, I Say Heparin

    A rising number of medical errors are due to drug-name confusion. What can be done, and why a former Navy pilot is offering doctors some accuracy tips. 
  • New Treatments for Cancer, Obesity

    Judah Folkman transformed our understanding of cancer. Now his groundbreaking work is leading to new strategies for fighting obesity, Alzheimer's and scores of other conditions.
  • The Mysteries of Miscarriage

    From too much caffeine to faulty chromosomes, the list of things that can contribute to a lost pregnancy is long. What you need to know about the many risk factors.
  • The Chemicals Within

    Many common household products contain compounds that could be affecting our health.
  • My Healing Diabetes Blog

    A shocking diagnosis of type 1 diabetes transformed my life. But, using the Internet, I turned it into a business—and formed a new community of friends.
  • 4 Green Foods You Need

    Detox diets are mostly bunk, but here are some super foods that fight carcinogens and are great for your whole system. And yes, they're all green in color.
  • Ledger: Deadly Drug Combo?

    A pharmacology expert explains how the types of drugs found at Heath Ledger's apartment can affect the body and why they are potentially lethal if taken incorrectly.
  • Men, Women and IQ

    A British researcher reports that the male ego is often larger than his actual IQ. But you might be surprised by what think of men's intellect.
  • The 100 Greenest Countries

    Yale University's newest ranking of the world's greenest countries offers a few surprises—and some useful lessons for business leaders.
  • The World's Greenest Countries

    Yale University's ranking of 149 countries according to an environmental performance index (EPI)--a weighting ofcarbon and sulfur emissions, water purity and conservation practices.
  • Heart Stents: Good or Bad?

    Two new studies answer important questions about drug-eluting stents. But the biggest debate in cardiology isn't over yet.