In Amazon, a frustrated search for cancer cures

The task of harvesting the secrets of Brazil's vast Amazon rain forest that could help in the battle against cancer largely falls to Osmar Barbosa Ferreira and a big pair of clippers.

Had flu? You may have H1N1 protection

People who have had repeated flu infections -- or repeated flu vaccines -- may have some protection against the new pandemic swine influenza, U.S. researchers said on Monday.

Make toilets cool to fix sanitation woes, expert says

Jack Sim, founder of the World Toilet Organization, has a theory about why governments and people are so reluctant to talk about hygiene: it isn't cool.

Sex infections still growing in U.S., says CDC

American squeamishness about talking about sex has helped keep common sexually transmitted infections far too common, especially among vulnerable teens, U.S. researchers reported Monday

In binge-tolerant Japan, alcoholism not seen as disease

When Japanese civil servant Yoshiyuki Takeuchi saw himself lagging behind his peers at work, alcohol was the only thing he felt he could turn to, becoming the latest victim of an addiction poorly understood in Japan.

The Chavez Diet: Venezuelans urged to lose weight

President Hugo Chavez said in a televised speech Friday that "there are lots of fat people" in Venezuela.

Flu infections starting to peak in some areas: WHO

Flu infections may be peaking in some parts of the northern hemisphere, but are still spreading fast in others, the World Health Organization said on Friday.

Exercising in the heat may help you eat less: study

Exercisers trying to cut down on calories might want to take a run in the sun instead of a climate-controlled gym, according to a small Australian study.