Final clinical trials of a malaria vaccine - the first to reach this stage - suggest it could protect one third of children against malaria, according to data published in The Lancet.
All schools in and around Niger's capital, Niamey, are to stay shut until Monday because of a meningitis outbreak that has killed 85 people this year.
California doctors have removed what they call an embryologic twin living deep inside the brain of a student who had health problems.
Is it right to genetically edit embryos?
Can innovation save lives in Kenya's maternity wards?
How is that medically possible?
Why do so many fortysomething men kill themselves?
The Brazilian medic using Shakespeare to help his patients
Why strenuous runs may not be so bad for you after all
Surgeons in Cambridgeshire perform the first heart transplant in Europe using a non-beating heart.