Credit: CC0 Public Domain People who worked long hours had a higher risk of stroke, especially if they worked those hours for 10 years or more, according to new research in the American Heart Association’s journal . Researchers reviewed data from CONSTANCES, a French population-based study group started in 2012, forRead more

Using social media isn’t directly harming teenagers – but it can cut down the time they spend doing healthy things like sleeping and exercising. In the UK, nine out of 10 teenagers have an social media profile and many people are concerned about the impact it can have on mental health.Read more

Cattle and other livestock are responsible for a seventh of anthropogenic greenhouse gas emissions, while transport accounts for roughly a fifth (Credit: Getty Images) A hefty slice of global greenhouse gas emissions come from the smelly bodily functions of livestock. Can tinkering with the microbes in their guts help toRead more