Everything you need to know about what’s working — and what isn’t — in medicine and wellbeing

Two cups of coffee reduce heart failure risk

Eat your greens, stay mentally sharp

We’re naturally Covid fighters

The four factors that change your biological age

Vitamin D could halve the number of Covid deaths

Breast cancer is a disease of vitamin D deficiency

Don’t just floss, bleeding gums suggest a vitamin C deficiency

The 12 tests for a vaccine passport

Preventing diabetes is also about when you eat

Coffee reduces prostate cancer risk