Sex education: ‘We can’t let teachers perpetuate a homophobic or transphobic narrative’

New guidance will leave many children in England ignorant about consent, forced marriage and LGBTQ+ issues, say young activists

If I can be protected against HIV, others should be too

The health secretary says he’s serious about tackling infection. But there are basic inequalities in who accesses PrEP treatment , says sexual health advocate Will Nutland

Girls beginning puberty almost a year earlier than in 1970s

Onset of glandular breast tissue development has shifted by three months per decade

Welsh parents lose opt-out for sex, relationship and religious education

Government confirms parents will no longer be able to exclude children from lessons

‘Enjoy your mountin’: Utah cancels state-issued condoms over innuendo

Republican governor objects to ‘sexual innuendo as part of a taxpayer-funded campaign’ to prevent spread of HIV

‘Like going back 40 years’: dismay as Bolsonaro backs abstinence-only sex ed

Brazilian president’s plan to cut teenage pregnancies inspired by a Christian pressure group and Trump’s approach in the US

How might A&E departments without targets work? Look to sexual health clinics

Accident and emergency makes the headlines. Meanwhile, under-reported services are collapsing through lack of funding, says the Guardian’s Polly Toynbee

Unhappy with your love life? It’s time to locate your sex accelerator

A third of British women report a lack of interest in sex. They need to remember what presses their buttons, says author Flo Perry

Half of British women ‘have poor sexual health’

Research highlights need to reverse cuts to sexual health services, experts say

Can veganism help with erectile function?

A new TV documentary suggests giving up meat might help men address some common sexual issues. Do the claims stand up?