Make me a superhero: The pleasures and pitfalls of body enhancement

We should welcome with open arms the rich possibilities of technologically enhancing our bodies, says Andy Miah. Just so long as we don't all end up looking, thinking and acting the same

Bonjela ulcer gels unsafe for children, says MHRA

Regulators warn treatment for mouth ulcers contains salicylate salts, which are linked to Reye's syndrome

A moment of selfish pleasure ruined my life

First person: Mark Hennessy was 40 when he took ecstasy before a night out. A month later he woke up on life-support

Was she right to write about it?

Open thread: Julie Myerson's memoir about her now-estranged son's cannabis use has caused a furore. What do you make of it?

This is an emergency

With his wife being accused of exploiting her son's drug problem in her new book, Jonathan Myerson speaks out for the first time to reveal why the story has to be told

Homeopathy: Sometimes a dose of nothing can do you a power of good

Homeopathic remedies such as essence of crop circle and 'F sharp minor' may sound daft but they play a vital role in modern medicine, writes Michael Brooks

Fertility drugs may increase the risk of womb cancer in later life

Drugs taken by women to boost ovulation may increase their risk of developing cancer of the uterus

Obesity drug withdrawn over depression link

Sales and prescriptions of Acomplia suspended because 'benefits no longer outweigh risks'

A dose of reality

Ben Goldacre: The golden age of medicine has creaked to a halt and the industry is rapidly running out of new drugs

Psychedelic drugs could heal thousands

Andrew Feldmár: New research into the benefits of hallucinogens alongside psychotherapy is welcome: in my experience they change lives

Doctor, doctor

Dr Tom Smith answers your questions on the risks of MDMA, pets vs spouses and conceiving naturally at 43

Why smiles are better than Prozac

Government scientist claims lifestyle changes can be as effective as drugs for depression

Last year, nearly four million Britons used illicit drugs

Ten drug users tell John Hind their stories

Drug abuse and risky sex targeted in teen health drive

New initiative aims to improve care for teenagers, amid concern that substance abuse, risky sexual behaviour and mental health problems are blighting their lives