HANOI, Vietnam (AP) -- More than a third of the malaria-fighting drugs tested over the past decade in Southeast Asia and sub-Saharan Africa were either fake or bad quality, seriously undermining efforts to fight the disease, a study said Tuesday.

(USA TODAY) -- New research highlights drugs that make cancer therapy easier, but it also underscores the difficulties patients may encounter after treatment.

WASHINGTON (AP) - The Food and Drug Administration said Monday that a blood thinner from Johnson & Johnson appears to reduce life-threatening blood clots in high-risk patients, although it also increases the risk of internal bleeding.

WASHINGTON (AP) -- Doctors increasingly are ditching the prescription pad: More than a third of the nation's prescriptions now are electronic, according to the latest count.

WASHINGTON (AP) -- Researchers say the U.S. approved more new medicines in less time than Europe and Canada in the last decade, challenging long-standing criticisms that the Food and Drug Administration lags behind its peers in clearing important new drugs.

CHICAGO (AP) -- An antibiotic widely used for bronchitis and other common infections seems to increase chances for sudden deadly heart problems, a rare but surprising risk found in a 14-year study.

SAN FRANCISCO (AP) - A tuberculosis patient has been charged in California after authorities said he failed to take medication for the highly contagious disease.

NANTERRE, France (AP) -- The first French trial has begun over a diabetes drug that was also used to lose weight and is suspected in the deaths of at least 500 people.

CHICAGO (AP) -- A pill to prevent HIV infection is already being given to some healthy people, but without government approval, it remains out of reach and too costly for many who need it.

SILVER SPRING, Md. (AP) -- The first drug shown to prevent HIV infection won the endorsement of a panel of federal advisers Thursday, clearing the way for a landmark approval in the 30-year fight against the virus that causes AIDS.

(USA TODAY) -- Probiotics -- or live microorganisms intended to boost health, such as the bacteria in some yogurts -- have become popular items in vitamin stores and even many supermarkets. One of probiotics' most popular uses is in preventing and treating digestive problems.

WASHINGTON (AP) -- Federal drug regulators on Tuesday affirmed landmark study results showing that a popular HIV-fighting pill can also help healthy people avoid contracting the virus that causes AIDS in the first place. While the pill appears safe and effective for prevention, scientists stressed that it only works when taken on a daily basis.

WASHINGTON (AP) -- Three pharmaceutical giants are unlocking their freezers to see if government-funded scientists can reinvent some of their old drugs.

ATLANTA (AP) -- Health officials say more teen girls use the best kinds of birth control.

SALT LAKE CITY (AP) -- Pfizer Inc. has settled a lawsuit filed by Brigham Young University over development of the blockbuster painkiller Celebrex for $450 million, according to a regulatory filing Tuesday.

CHICAGO (AP) -- Less than a month old, Savannah Dannelley scrunches her tiny face into a scowl as a nurse gently squirts a dose of methadone into her mouth.

WEST BRIDGEWATER, Mass. (AP) -- Steve Wohlen lay on his front lawn, blue, unconscious and barely breathing, overdosing on heroin.

LONDON (AP) -- Drug maker Novartis is taking legal action in Britain to make state-run hospitals use an eye drug that costs about 700 pounds ($1,130) per shot instead of a cheaper one that costs 60 pounds ($97).

(The New York Times News Service) -- (Moving in the "l" lifestyle news file)