• iStock_000015061469XSmall

    Does acupuncture cure pain?

    Acupuncture, the art of inserting tiny needles into the skin, has been used for thousands of years to treat pain. But does it work?

    Read More
  • iStock_000017358071XSmall

    Are organic foods more nutritious?

    Millions of people eat organic foods because they are supposed to be more nutritious than conventional alternatives. But does research back up this claim? We rated 50 studies to find out.

    Read More
  • iStock_000006869016XSmall

    Is it safe to drink moderately during pregnancy?

    Scientists agree that heavy drinking during pregnancy has serious negative health outcomes, but moderate drinking is more controversial. Is it OK for pregnant moms to drink a glass of wine at dinner or finish off a pint now and then? We reviewed the top 30 studies to find out.

    Read More
  • iStock_000018954423XSmall

    Is marijuana effective for pain?

    Marijuana, though illegal or restricted in most parts of the world, is used widely to reduce pain. Buy does it work?

    Read More
  • iStock_000016528124XSmall

    Does ginkgo biloba make you smarter?

    Consumers spend over $100 million on ginkgo biloba in the U.S. alone. Producers of the herbal remedy claim it improves cognitive functioning. Are they right?

    Read More
  • iStock_000013890640XSmall

    Does Echinacea cure colds?

    Consumers spend hundreds of millions of dollars per year on Echinacea, a herbal remedy also known as the purple coneflower. But is all that money making anyone feel better but drug manufacturers? We reviewed the top 19 studies to find out.

    Read More

Featured Answers

FF1Med

Are people who eat organic foods healthier?

Consumers spend $30 billion a year on organic foods — but is there any evidence that they have positive health effects in humans? We reviewed the research literature to find out.

Read More
FF4Med

Does homeopathy work?

Homeopathy, rejected by many scientists, is embraced by practitioners who use it to treat everything from insomnia to arthritis. But does it work? We reviewed the top 50 studies to find out.

Read More
FF3Med

Are organic vegetables safer than conventional vegetables?

One of the key claims behind the organic foods movement is that they are safer? We scoured the research on the safety of organic vegetables to find out the truth.

Read More
FF5Med

Is organic meat safer than conventional?

Proponents claim that organic meat is significantly safer than conventional. Are their claims hogwash, or do they stand up to scrutiny?

Read More