The multiple choice question

The practice of implanting three eggs at once during IVF has led to an explosion in the number of triplets. But there are serious risks involved. Sarah Boseley investigates.

Down but never out

Poetic, vital, witty - who'd have thought depression could make such an uplifting read? Andrew Solomon anatomises his breakdowns in The Noonday Demon

I’m not mad. Or am I?

Depression crept up on Andrew Solomon. His life closed in on him: he couldn't eat properly, shower, or talk to friends. Drugs helped, his father helped - but, as his acclaimed new book reveals, there was only one person who could make him feel safe from himself

Take my breath away

It can destroy your personal life and your confidence - and it's all in your mind, not your mouth. Sarah Ebner reports on halitophobia - the irrational fear of having bad breath.

Monitoring new drugs

New drugs may have side effects which - at worst - kill. So why not change how they are monitored?

When one becomes two

It took 84 hours to separate Ganga and Jamuna, who were born joined at the head. As the fight to save them continues, John Aglionby meets the surgical team in Singapore.

Get out of that

Psychotherapist Adam Phillips brings out the escape artist in us all in Houdini's Box

James Meek

If you must drill a hole in someone's head, make sure it's worthwhile.

Consenting adults

If you have ever seen a doctor, you are being tracked. Information about you is being stored and analysed as part of a vast pool of medical data. But now this crucial area of research is under threat, warns Ben Traynor, because of moves to force medics to seek patients' permission for every study.