Brazilian mint tea ‘as effective as pain-relief drugs’
Newcastle University researchers say ancient herbal tea is as effective as commercial medicine
Students taught how to grow marijuana in Detroit’s new cannabis college
Horticulturalists, doctors and lawyers among instructors after Michigan legalises drug as a medicine
Viagra: The profitable pill
Since its launch in 1998, Pfizer's treatment for erectile dysfunction has earned the company more than £1bn a year
‘Female Viagra’ boosts sexual desire in women with flagging libido
Women who took the drug during a trial reported more satisfying sexual encounters and a higher libido
Heroin: a tale of addiction
Glen, 55 and a long-term heroin addict, explains how a new treatment has changed his life
Students warned of lethal risks from ‘legal highs’
Ministers back campaign to warn clubbers of health dangers
Weightloss pill investigated for liver damage
Slimming drug, sold over the counter as Alli, investigated in the US after 32 reports of serious liver injury
Cancer charities reassure women over use of tamoxifen
New research suggests long-term use can increase chance of secondary tumours but experts say benefits outweigh risk
Labs say swine flu vaccine is close to clinical trials
Swine flu vaccines already developed and awaiting tests, but 'by no means' ready yet, according to World Health Organisation
Anti-viral medicines: short-term solution, but no cure for swine flu
Anti-virals need to be given within two days of the onset of symptoms to be most effective
How lottery dream can turn deadly
New study shows lottery win can lead to a king-size drink and drug problem
The drugs don’t work
Ed Halliwell: The number of people on antidepressants is soaring – we may be more miserable, but let's swap the pills for support and care
Feuding couples should ‘split for children’s sake’
Children whose parents remain married but frequently argue do worse at school, new research claims
Shelf medication
Sales in over-the-counter remedies are mushrooming. But would we be better off buying fruit, asks Joanna Moorhead
The trouble with Tamiflu
The companies behind the two leading anti-flu drugs are making millions out of the crisis. But just how effective are their products? Sarah Boseley reports