Richard Marsh gives first interview about locked-in syndrome

Post your questions for rare survivor of condition that made Californian a prisoner in his own body

Dr Dillner’s health dilemmas: how much exercise must I do to stay healthy?

Even though physical inactivity is a leading risk factor for premature death, people in the UK are less active than those in almost every other country, says Luisa Dillner

HIV survivors: alive, but facing poverty, loneliness and prejudice

Thousands heading into an old age they did not think they would see, having given up jobs expecting to die young

The end of HIV/Aids may not be possible if the war on drugs continues

Douglas Haddow: The danger in ignoring rising HIV rates among drug users is it could reignite the virus when it enters manageable decline

Indian sex workers are a shining example of women’s empowerment

Andrea Cornwall: As the alternative Aids summit in Kolkata has shown, society should start treating women who work in the industry with respect instead of disgust

UN ‘way off target’ on promise to end HIV infections in newborn children

Unicef's senior adviser says that more than 330,000 children are being born with HIV every year despite proven treatment

Feeling anxious about what will be done with this wellbeing index data?

Oliver Burkeman: Lying beneath all this is a philosophical conundrum: that aiming for happiness often makes it harder to achieve

Anti-prostitution pledge in US Aids funding ‘damaging’ HIV response

Activists at Aids conferences demand end to Pepfar conditions that prevent HIV programmes reaching vulnerable groups

Elton John at Aids conference: ‘I should be dead. I nearly died’

Speaking in Washington DC, musician says Aids epidemic is 'fuelled by stigma, violence and indifference'