Sun 28 Dec 2008
Pilots and others who work at high altitude may suffer genetic damage from exposure to "cosmic radiation" a study suggests.
Sun 28 Dec 2008
Rogue immune cells entering the brain may contribute to the development of Parkinson's disease, say scientists.
Sat 27 Dec 2008
One in five people recovering from a heart attack is still having chest pain a year afterwards, a US study suggests.
Sat 27 Dec 2008
Lizzie celebrates her progress with a new dress
Fri 26 Dec 2008
A former conjoined twin who survived an operation in which she lost her sister, has died, 23 days later, a UK hospital says.