Malaria drug-resistant parasite common in Southeast Asia: study
The problem could get much worse if the parasite reaches Africa, warn experts
Cholesterol drug sold over-the-counter has dangerous side-effects
Niacin can cause bleeding and infection in the gut and brain
Researchers find more reasons to quit smoking
Death due to renal failure and intestinal ischemia associated with smoking
Ebola more deadly for children under 4 years
Young children more at risk than adults as the mean incubation period, the average time from infection until the onset of symptoms, is shorter
More than 20,000 Ebola cases likely by November, forecasts WHO
The United Nations has already called for 20-fold increase in assistance to control the outbreak in West Africa