THE BALM OF TRUE BLISS

It can sometimes be hard to maintain a sunny outlook (especially following the challenges of the past year), but a growing body of research points to the health benefits of optimism. A recent study found that people who feel cheerful and enthusiastic – psychologists call it the ‘positive effect’ – are less prone to memory decline as they get older. In another, researchers found that optimists were less likely to require a return to hospital after a heart operation. The reasons are still unknown – it could be that cheerful people make healthier choices or have lower levels of stress hormones – but I for one will be looking on the bright side from now on. Discover ways to feel happier on page 153.

Get a taste for teff! Recent research shows that this East African grain can help to boost gut bacteria and improve the absorption of certain minerals. Use it in meals instead of rice or bake with teff flour.