Health

A decision made 70 years ago to reforest vast swathes of Japan with just two kinds of tree has come back to haunt the country.

While it's widely known that chewing more improves digestion, research suggests it can also help reverse mental ageing.

Trials on veterans suggest the potent hallucinogen could provide a new treatment for PTSD, but scientists still don't know how it works.

Spending a few minutes on your breathing can not only bring instant stress relief, but also benefit your health in the long term.

Nicotine is highly addictive, but new research is showing that psychedelics can shift people's worldview in ways to help them give up cigarettes.

A new AI-powered technology is locating sperm cells in men who were told they had none – and giving couples who have been trying for years another chance at having children.

From the most effective medications to the most common triggers to avoid, we examine science-backed advice that should reduce your seasonal suffering.

The 4,000-year-old drug, most commonly used to treat pain, prevents certain tumours from forming and spreading across the body – findings that are already changing health policies.

As large language models take over more and more cognitive tasks, researchers are warning this mental outsourcing comes with a cost.

From before their babies are born, men undergo serious hormonal changes that can powerfully influence their behaviour – with consequences for their child's wellbeing.

Foods with added sugar are everywhere – even in some surprising places. So how easy is it to go without sugar and what difference can it make to your health?

Humans are more sensitive to the smell of rain than sharks are to blood. And rain has some surprising benefits for our bodies too – especially when it comes to our mood.

After nearly 100 years of development, treatments that bolster the body's immune system to fight cancer are coming of age – and saving patients' lives.