Mar 5, 2014 — Removing bacteria and other impurities from water could be done more cheaply thanks to researchers at MIT. They're taking advantage of the way trees move water to filter it.
Feb 25, 2014 — A new virus in the Middle East has sickened more than 180 people and killed an alarming 43 percent of them. But scientists haven't been sure where the virus originates or how people catch it.
Feb 19, 2014 — The African country faces some of the toughest health problems in the world, including high rates of HIV and infant mortality. Many people in need turn to unauthorized private clinics for care.
Feb 16, 2014 — Scientists have apparently been wrong about where new flu viruses come from, and they've underestimated the viruses' connection to horses. The dogma is that new viruses always incubate in wild migratory birds first, then get into domestic poultry, and then jump into mammals — especially pigs and humans.
Feb 13, 2014 — The world is at greater risk than ever from pandemics and biological weapons, health officials said Thursday. In response, the U.S. government is spearheading a global effort to build an early warning system for infectious diseases, drug-resistant microbes and possible bioterror agents.
Feb 7, 2014 — The U.S. recently approved a drug that can quickly cure hepatitis C in many patients. But its high price means the treatment is out of reach for millions of people in the developing world. Now the pill's manufacturer is talking with Indian producers to reduce the treatment cost to $2,000. But critics say the price drop won't be enough.
Feb 4, 2014 — The long-held idea that cancer is a disease of the rich is slowly being undermined. The world now records about 14 million new cancer cases each year, a study found. The majority of these cases occur in developing countries, which aren't equipped to detect and treat the disease.
Feb 3, 2014 — Students at Rice University designed a low-cost medical device to help premature infants breathe. The instrument, which uses a cheap aquarium pump, boosted the survival rate of newborns with respiratory problems by 60 percent at a rural hospital in Malawi.
Jan 30, 2014 — Russia has a big problem with vodka, which is a key factor in the country's abysmal life expectancy, researchers say. But measures like banning vodka sales at night have had an immediate effect on a young Russian man's chances of living to age 55
Jan 30, 2014 — Since 1990, nearly 2 billion people have gained clean toilets, or at least decent outhouses. And many more children in the developing world now eat better, go to school and get medical treatment. The advances mean that fewer children are dying of preventable diseases.