Record numbers of UK gay men test positive for HIV

Almost half of new cases are gay or bisexual males, says new report published in advance of World Aids Day

Are young people being given the right information on contraception?

Getting good-quality, objective advice is often difficult and can lead to risky decisions, according to health professionals

Risky sexual behaviour threatens to derail Aids progress, UN report says

UNAids says HIV drugs are saving lives, but prospects of changing behaviour to stop spread of infection are not promising

Making porn actors wear condoms is not the best way to protect us

Stoya: Measure B, a law requiring the use of condoms in adult movies in LA County, fixes a problem that doesn't exist. Our sex is safe

Is China failing its young people on sexual health?

Awareness among China's 161 million 15-24-year-olds is poor, while sex education and services are said to be inadequate. Frederika Whitehead reports

LA County’s Measure B is a major win for safe sex in adult entertainment

Gail Dines: The failure to block the pro-condom ballot, for all their political leverage and wealthy donors, is a knock for Big Porn's exploiters

Sex: ‘Whatever you’re doing, double it’

Jon Henley catches up with two couples who tried regimes of consecutive sex, for 101 and 365 days respectively. Five years on, are they still, um, at it?

‘Reader, I shagged him …’

Should you turn to fiction or the sex manuals for advice and ideas? John Crace does the research so you don't need to

Dr Ruth Westheimer: My family values

The sex therapist talks about her family. Interview by Nick McGrath

In Africa, we must do the most good with each pound spent on Aids-HIV

Bjørn Lomborg: With donor money to fight HIV and Aids falling, spending in sub-Saharan Africa must be targeted to get the best results