CHICAGO (Reuters) - U.S. researchers estimate that an 18 percent tax on pizza and soda can push down U.S. adults’ calorie intake enough to lower their average weight by 5 pounds (2 kg) per year.

GENEVA (Reuters) - Malaria could be eliminated as a public health problem within a decade in most countries where it is now endemic, an international organization that funds the treatment and prevention of killer diseases said on Monday.

NEW YORK (Reuters Health) - Light to moderate alcohol consumption, especially red wine, is not only good for a woman’s heart, it’s also good for her waistline, according to a study reported Monday.

LONDON (Reuters) - Vitamin D is vital in activating human defences and low levels suffered by around half the world’s population may mean their immune systems’ killer T cells are poor at fighting infection, scientists said on Sunday.

NEW YORK (Reuters Health) - A program designed to boost doctor-patient communication and patients’ compliance with treatment may not have the intended effects, a new study suggests.

NEW DELHI (Reuters) - India will have to scale up prevention of HIV to avoid having to spend an increasing share of its health budget on treatment of AIDS patients, the World Bank and other agencies said Sunday.

PAILIN, Cambodia (Reuters) - In a dusty village near the Thai-Cambodia border, 24-year-old Oeur Samoeun sits on a dark green hammock recovering from a strain of malaria that has resisted the most powerful drugs available.

BOSTON (Reuters) - An Indian group that performs 300,000 free or subsidized eye surgeries a year for the poor will receive the world’s largest humanitarian prize, jurors said on Friday.

BOSTON (Reuters) - An Indian group that performs 300,000 free or subsidized eye surgeries a year for the poor will receive the world’s largest humanitarian prize, jurors said on Friday.

NEW YORK (Reuters Health) - Women infected with HIV or at risk of becoming infected with HIV, the virus that causes AIDS, appear more likely to develop lung cancer than women in the general population, possibly because they are much more likely to smoke cigarettes, study findings hint.