An experimental Alzheimer's disease drug from Eisai (4523.T) and Biogen (BIIB.O) slowed cognitive decline in a closely watched trial but may carry a risk of dangerous side effects for certain patients, according to new data presented on Tuesday.
A US patient with leukaemia has become the first woman and the third person to date to be cured of HIV after receiving a stem cell transplant from a donor who was naturally resistant to the virus that causes Aids, researchers reported on Tuesday.
Children subjected to abuse may carry the physical hallmark of that trauma in their cells, scientists say, in research that could help criminal investigations probing historic mistreatment.
A therapy that retrains the body's immune system to fight cancer has provoked excitement after more than 90% of terminally ill patients reportedly went into remission.
Women who carry an inherited fault in the BRIP1 gene are three times more likely to develop ovarian cancer than those without it, researchers say.
Cuba successfully eliminates mother-to-child transmission of both HIV and syphilis, the World Health Organisation (WHO) says.
Chronic users paracetamol -- people who typically take large, daily doses over several years -- may increase their risk of death, or kidney, intestinal and heart problems.