One year on, why I want young people to learn from my daughter’s death
Vicky Unwin, whose daughter died after taking ketamine, is helping to launch a petition calling for compulsory drug education
Death by denial: The campaigners who continue to deny HIV causes Aids
Brian Deer: As each of their followers dies, those who campaign against HIV treatments simply move on to the next level of denial
Mayo Clinic plans to sequence patients’ genomes to personalise care
Project will give doctors the genetic information they need to choose drugs that work best and minimise side effects
Should we put lithium in the water?
A psychiatrist in Ireland has suggested that putting psychiatric medicine in drinking water could cut the suicide rate
Antibiotics can’t cure colds – but a placebo may
Andrew Brown: The overprescribing of antibiotics by under-pressure GPs to a public convinced they cure colds could prove fatal in the long run
Ibuprofen warning to pregnant women
New research shows that taking certain painkillers in first 20 weeks increases risk of miscarriage by 2.4 times
Chronic pain: the search for a killer
Millions live with chronic pain, but medicine has had little luck finding cures. Could a new range of painkillers give them hope at last, writes Robin McKie
Sunscreen pill could be available within five years, scientists say
Researchers uncover way coral shields itself against harmful ultraviolet rays and believe it could pave way for anti-sun compound to protect humans
Owners of Ubertan tanning spray could face two years in prison
Government watchdog MHRA advises people not to use the tanning nasal spray, which was being sold illegally in the UK
Drug for hyperactivity may help reverse memory decline in ageing brains
A drug that lowers levels of a chemical called cAMP could improve working memory, a study in monkeys suggests
Anti-HIV drug made by GM plants begins trials in humans
The antiviral was manufactured in GM tobacco with a view to using the same technique to slash the cost of other life-saving drugs in the developing world
If you’re HIV positive, safe sex isn’t just about condoms
Deborah Jack: With advances in HIV drug therapy, the option of 'treatment as prevention' is a real possibility – though it's not right for everyone
Dr Luisa Dillner’s guide to . . . drink and drugs in old age
Up to one third of older people with alcohol problems develop them later in life – often in response to loss and stress
How do you choose the best vaccination against cervical cancer?
Débora Miranda unravels the complex cultural, financial and scientific factors that influence governments' decisions to adopt particular drugsDébora welcomes your help and feedback in her research. She can be contacted on Twitter @debmir and via email on cancerscreeningproject@gmail.com
NHS reforms: Mutuals will give staff ‘right to provide’
Move to establish social enterprises which could be contracted to provide care likely to be seen as step towards privatisation