Dementia is the greatest health challenge of our time, the charity Alzheimer's Research UK has warned.
Millions of elderly people have a form of dementia that has been misdiagnosed as Alzheimer's disease, according to researchers.
US scientists say they used HIV to make a gene therapy that cured eight infants of severe combined immunodeficiency, or "bubble boy" disease.
This electron microscope image made available by the U.S. National Institutes of Health shows a human T cell, in blue, under attack by HIV, in yellow, the virus that causes AIDS
The "internal wiring" of breast cancer can predict which women are more likely to survive or relapse, say researchers.
Doctors have documented what they say is only the world's second known case of "semi-identical" twins.
Primary care providers should screen women for personal, family and/or ethnic history of breast, ovarian, tubal or peritoneal cancer to decide who should undergo genetic counseling for BRCA1 and BRCA2 mutations, the US Preventive Services Task Force recommended Tuesday. The mutations increase a woman's cancer risk.
A woman from Oxford has become the first person in the world to have gene therapy to try to halt the most common form of blindness in the Western world.
Scientists say they have discovered the secret behind why some people are skinny while others pile on the pounds easily.
Scientist He Jiankui speaks during an interview in Shenzhen in southern China's Guandong province.
