Reasons to be cheerful: optimists live longer, says study

Those with a positive attitude to life may lower their anxiety levels by avoiding arguments or not perceiving traffic jams as stressful

‘Aggressive’ marketing of formula milk flouts code, warns WHO as it urges curbs

‘Misleading’ messages from $55bn-a-year industry are ‘unethical’, says report, which calls for plain packaging rules similar to tobacco

The herbalists of Tunis medina: on borrowed thyme – a photo essay

From the cavernous shops in Souq El Blat, herbalists share the rich and fascinating history of their proud and ancient trade – and their fears that it could disappear

Living in a woman’s body: my body belongs to me. I can harness and shape it as I see fit

We get the body we get at birth. But I learned eventually that I didn’t have to accept it, that changes are within our grasp

‘I don’t want to die’: the shielders who fear the end of Covid restrictions

Thousands of vulnerable people fear others’ freedoms will put them under permanent house arrest as Covid becomes endemic

‘I used to judge people’: the Polish woman who became her city’s lone voice for abortion rights

Monika was too busy with her young family to join the early protests against Poland’s strict abortion laws. But when she became pregnant for the fourth time, she realised she had to act

Revealed: many common omega-3 fish oil supplements are ‘rancid’

Independent tests find that a number of products on the market use oxidised oils, with the rancidity often masked by flavourings

Global heating linked to early birth and damage to babies’ health, scientists find

Exclusive: Impacts include premature births and birth defects and affect everybody, everywhere, say researchers

Has gen Z really killed off dieting – or has it just changed its name?

Body positivity is all the rage and soft drinks are being repackaged as ‘zero sugar’. But is ‘clean eating’ just dieting in disguise, asks Arwa Mahdawi

South Korea should fund hair loss treatment, says election hopeful in bald bid for power

Proposal for hair regrowth on public healthcare insurance by Lee Jae-myung criticised as populist by opponents