Low levels of vitamin D have been linked to cancer, heart disease, diabetes, dementia and arthritis, as well as childhood illnesses. So is sunshine and oily fish enough – or should you take supplements?
Most runners will have experienced cramp, either during or after a race. But with three marathons over three weekends to train for, Chris Wright was determined to find the cause of his pain
The Barents Sea is home to the ‘wanderer cod’. Our writer helps to catch and sample a fish that’s hard to beat for freshness, taste and health-boosting vitamin D
Action on Sugar research finds that some drinks contain up to 20 teaspoons of sugar – more than three times the maximum an adult should consume in a day
A project to introduce orange-fleshed Vitamin-A-rich sweet potatoes to sub-Saharan Africa can improve child health. But can local eating habits be changed? Asks Jan Low