Just say no to avoid sex infections, young told

Young people should be encouraged to consider abstaining from sex as one of the options for protecting themselves against the epidemic of sexually transmitted infections, suggests Health Protection Agency.

Alive and ticking

Did you know that your lungs are more effective in the afternoon, your brain power peaks around noon and your sex drive is at its best just before the news at 10? Joanna Moorhead on new research about our body clocks.

Ovulation turns on desire for sex

Women are more likely to get pregnant through one-off unprotected sex because of their subconscious urge to have intercourse on their most fertile days, research has found.

Don’t touch me there

How do you persuade teenagers there is value in virginity? Joanna Moorhead compares US-style moral pledges with British sex education, and finds few converts.

Teens told a silver ring and a vow of chastity are best way to combat sexual epidemic

Worried that their children are bombarded with words, clothes and pictures that "talk dirty", six mothers are plotting a revolution against a society seen to be saturated with sex.

A bit of a turn-off?

The male contraceptive will improve sex drive, fight fatigue, and switch off sperm production too. But what about hidden side-effects? And will it be popular? By Clare Longrigg.

Why we’re keener than ever to discover the elusive joy of sex

Half of women and third of men admit sexual problems in survey.