Why everyone is lifting weights – and how to get started (whatever your size)

Are reps or weights more important? Is it good if it hurts? How should I structure my workouts? Everything you need to know about resistance training, from the experts

Daylight saving haters rejoice: scientists confirm it’s bad for health

US Congress is debating permanent daylight saving – but new research shows keeping clocks on standard time is least stressful on the body

Obama says Trump linking paracetamol to autism is ‘violence against the truth’

Former president says successor’s claims about drug branded Tylenol in US ‘undermines public health that can do harm to women’

Wes Streeting rejects Trump claim linking paracetamol and autism

Health secretary joins medical experts in urging pregnant women to ignore US president’s remarks

My blood type made me a donor superhero – until my weakness for crisps let me down

‘It’s such a shame,’ said the nurse as she turned me away from the donation centre, and I realised my assumptions about being O-negative were all wrong

Disease X: Hunting the Next Pandemic review – an hour of pure terror

Dr Chris van Tulleken learns that Covid-19 was nothing compared to what’s coming to wipe us out. Still, at least he’s like a jolly old uncle as he delivers the bad news

I spent months testing insomnia cures – then grieving for a pet made sleep impossible

What sleep aids can’t fix; eco-friendly period products; and LED face masks, tested

We all want big personal change at the push of a button – but here is how to actually achieve it

Real growth develops from the inside out. The process involves giving up the illusion of control and discovering the liberation and limits of your own agency

The one change that worked: I used to sip Red Bull to get me out of bed – until I tried the 3-2-1 method

It’s always been difficult for me to throw off the covers and get going. Now, a self-imposed short, sharp shock has brought order and urgency into my life

Is it true that … doing puzzles prevents dementia?

Completing a fiendish jigsaw certainly engages many areas of the brain, but genetics and other lifestyle factors also play their part