Christa Lesté-Lasserre

Among over-50s, women seem to require less exercise than men to get the same reduction in heart disease risk, suggesting health guidelines need to be updated

Studies have suggested that Wegovy directly boosts heart health, beyond just the benefits of losing weight, and now that has been demonstrated in a robust trial in people

Progesterone, oestrogen and testosterone can be detected in skeletons over 1000 years old, offering a way to identify individuals who died while pregnant or soon after giving birth

By tracing when variations in the human genome first appeared, researchers have found that advances in cognitive abilities may have led to our vulnerability to mental illness

Social media is awash with videos of cats and dogs getting startled or hurt for our entertainment. We should all be more alert to poor animal welfare, says Christa Lesté-Lasserre

An innovative use of skin cells could provide a route for same-sex couples or women with fertility problems to have children that both partners are genetically related to

A set of 29 stone tools, including blades and points for hunting, butchering and cutting wood, were found neatly arranged as if carried in a leather pouch that decayed

An analysis of a range of dry dog foods finds that none are nutritionally complete, but vegan and vegetarian foods compare well with meat-based ones

Eczema can be very distressing for children – and now it seems that its roots may at least partly lie in their mothers experiencing high levels of stress during pregnancy

Just eight sessions of a bespoke form of psychotherapy seems to ease lower back pain even three years later