‘I feel like a drug dealer’: the parents using black-market melatonin to help their children sleep

Desperate dads meet in car parks to exchange packets; exhausted parents slip it into their kids’ drinks; families waiting months for prescriptions buy it ‘off label’. But is it worth the risk?

Cancer experts warn of coffee enemas and juice diets amid rise in misinformation

Oncologists say patients rejecting proven treatments are dying needlessly because of increase in online ‘cures’

‘Now I do weight training’: how exercise helped one patient stay free of cancer

Margaret Tubridy, 69, took part in landmark study that reveals the role of exercise in preventing return of disease

‘E-tattoo’ could track mental workload for people in high-stake jobs, study says

Scientists say device could alert workers such as pilots and healthcare staff when they are feeling the strain

The gonorrhoea vaccine is an incredible breakthrough. It could also be a terrible missed opportunity

Vaccines that work need systems that work. Britain’s starved services must be supported to reach those most at risk, says researcher Benjamin Weil

Is it true that … ginger shots boost immunity?

Some see the fiery root as a miracle cure for colds, but there are easier, cheaper ways to support your immune system

The big breath secret: can I improve my lung capacity, efficiency and power?

My father’s death from cancer showed me you need to look after your lungs. But apart from not smoking, what should you be doing? I headed to a laboratory, strapped on a mask and heart monitor and started pedalling …

Sali Hughes on beauty: vitamin patches are all the rage, but are the effects more than skin deep?

They work for HRT and nicotine, but can skin patches really improve mental wellbeing, skin, nails and more?

UK among lowest-ranked countries for ‘human flourishing’ in wellbeing study

Findings of survey on happiness, health, finances, meaning in life and relationships raise concerns for young people

Teenagers who go to bed early and sleep longer have sharper brains, study finds

Researchers surprised at impact that even small differences in sleep make to adolescents’ cognitive abilities