This week

Grandparents who give kids treats or smoke in front of them may ruin their health. But parents say they feel unable to intervene because they rely on them for childcare, University of Glasgow researchers found.

Drinking a “moderate” three to five cups of coffee a day can slash the risk of liver disease by 40 per cent, research claims. Compared to non-coffee drinkers it also cut the chance of cirrhosis by up to 70 per cent. American and Italian studies found the caffeine, coffee oils, kahweol, cafestol and antioxidants protect the organ. Eating probiotic yoghurt can lower high blood pressure by reducing inflammation-triggering cells, US scientists found. Don’t like yoghurt? Sauerkraut works too.