Vitamin C 'slows cancer growth'

Motor neurone disease clue found
Scientists have identified a molecule which could be key to understanding the cause of motor neurone disease.

Hair colour loss 'reversal hope'
People whose hair has turned white because of illness are being offered hope that scientists may be able to reverse the process.

Breast drug failure cause found
Scientists have identified a key reason for the drug tamoxifen failing to help some women with breast cancer.

Small hours heart risk peak clue
US scientists may have uncovered a reason why heart attacks and strokes occur most often in the early hours.

'Assassin' cells home in on HIV
Scientists engineer cells in the lab to overcome one of HIV's most effective defence mechanisms.