Think tennis for yes, home for no: how doctors helped man in vegetative state

• Brain-injured patient's thoughts 'read' by scanner• Technique provides hope for others in similar state

Homeopathic remedies: a real cure or a waste of NHS money?

Homeopathy is big business, but a report by MPs is expected to conclude that there is no place for the controversial treatment in the health service

After scientists in London declared the G-spot may be a myth, gynaecologists gather in Paris to launch counter-attack

Andrew Wakefield was at the centre of a media storm about the MMR vaccine and is now being blamed by journalists as if he were the only one at fault

Scientists call for full investigation into the safety of a household chemical after it was linked to thyroid disease

Aerobic exercise triggers new cell growth in region of brain linked to recollection, study finds

Yvonne Roberts: Scientific debates over whether the G-spot exists ignore the complex reality of women's sex lives

Swedish scientists confirm role played by high blood sugar levels

Ben McGrath's condition means his body rejects what he eats, but a new treatment at Great Ormond Street hospital may help

Stem cells grown on a special membrane were used to treat the man who lost sight in one eye after being squirted with ammonia