Researchers at the University of Warwick linked a lack of sleep to a range of disorders which often result in early death

Prolonged sleep deprivation increases the risk of suffering from a stroke or heart disease, according to a major long-term study based on the experiences of hundreds of thousands of people across eight countries.

One in eight women will now develop breast cancer, according to new research. It's a startling figure. But how accurate is it – and what can be done to lessen the risk?

One in every eight women will get breast cancer in her lifetime. The risk used to be one in nine, but the disease is gaining on us, according to new statistics from Cancer Research UK. How many of us counted the heads of little girls in the playground on hearing the news, or glanced speculatively around a bus or train carriage at the other female passengers? How many of us wondered if we ourselves were destined to be the unlucky eighth?