Why don’t whales get cancer? Cracking one of medicine’s greatest mysteries

Understanding why some animals are more susceptible to the disease could lead to improved screening for humans

Global craze for collagen linked to Brazilian deforestation

Investigation finds cases of the wellness product, hailed for its anti-ageing benefits, being derived from cattle raised on farms damaging tropical forest

What is collagen and why is it so popular in the beauty industry?

The protein gives our bodies elasticity and resilience, and there’s always a market for products promising to turn back the clock

RHS developing ‘wellbeing blueprint’ to enhance health benefits of gardens

Scientists conducting tests at experimental garden in Surrey to determine effects plants and flowers have on people

Labour government would pass right to roam act and reverse Dartmoor ban

Exclusive: Shadow environment secretary Jim McMahon says access to land and waterways ‘needs to change’

In an ancient forest, I look for peace – but instead I find Happy the puppy

As I lie down under a 2,000-year-old small-leaved lime coppice, I contemplate what is truly sacred, says author Max Porter

Rising temperatures causing distress to foetuses, study reveals

Climate crisis increases risks for subsistence farmers in Africa who usually work throughout pregnancy

Air pollution linked to almost a million stillbirths a year

First global analysis follows discovery of toxic pollution particles in lungs and brains of foetuses

Eight glasses of water a day excessive for most people, study suggests

‘One size fits all’ guidance could lead to 20m litres of drinking water being wasted each day in UK, scientists say

Indoor wood fires ‘dangerous’ for some pregnant women

Study finds link between smoke-related deaths and eclampsia, helping explain worse maternal health