Brisk walking linked to lower risk of heart rhythm problems, study finds

Study of 420,000 Britons suggests speeds of at least 4mph can lower risks by up to 43%

New gonorrhoea treatment hailed as breakthrough in fight against drug resistance

Researchers say gepotidacin could be delivered via a pill and help combat strains resistant to standard treatment

Good news at last: just a little exercise can reduce the risk of dementia

A recent study shows the benefit of being a middle-aged ‘weekend warrior’ who only exercises once or twice a week, writes Prof Devi Sridhar, chair of global public health at the University of Edinburgh

‘It can break you’: life for parents of autistic children can be exhausting. One podcast is offering hope. Is it real?

A podcast claims to show that autistic children with limited speech may be able to communicate via telepathy. What does the science say about the idea?

The Sleep Room by Jon Stock review – haunting accounts of horrific medical abuse

A book about psychiatrist William Sargant’s unethical treatments at a London hospital in the 1960s is all the more powerful for its vivid patient testimonies

Paging Dr Chimp: the medical secrets we can learn from apes, birds and even butterflies

Primates eat bitter bark to kill parasites, while sparrows use cigarette butts to keep ticks off their chicks. Could the wisdom of wildlife be the next frontier in medicine?

Prostate cancer surgery breakthrough offers hope for erectile function

Neurosafe procedure allows doctors to remove prostate while preserving as much nerve tissue around it as possible

‘It’s back to drug rationing’: the end of HIV was in sight. Then came the cuts

The abrupt halt to US funding threatens to undo decades of advances, dramatically increasing infections and deaths, but some see an opportunity for Africa to lead the response

Breakthrough drugs herald ‘new era’ in battle against dementia, experts predict

Medical advances make pills to treat Alzheimer’s disease viable, though challenges remain in sharing gains globally

‘Wild west’: experts concerned by illegal promotion of weight-loss jabs in UK

Guardian review finds many online pharmacies flouting strict advertising rules that govern prescription-only drugs