A major investigation into whether mobile phones and other wireless technologies affect children's mental development is getting under way.

A sexually transmitted infection may trigger prostate cancer in men, say scientists who have studied the pathogen in question, but experts say proof is still lacking.

The combination of olive oil and leafy green salad or vegetables gives the Mediterranean diet its healthy edge, say scientists.

The British Museum carries out scans on eight Egyptian mummies that reveal unprecedented details about these people, and how they lived and died.

Smokers who use e-cigarettes to quit are more likely to succeed than those who use willpower alone or buy nicotine replacement therapies, such as patches or gum, a study suggests.

The company has warned people not to spend too long using its eyewear technology, because it may cause pain.

Oscar Pistorius has been sent for psychiatric tests after a defence witness said he was suffering from Generalised Anxiety Disorder - but what is it?

Governments are struggling to cope with an "unprecedented" increase in new synthetic drugs, including those known as "legal highs", the UN says.