Respiratory health

The study aimed to assess the overall effect of vitamin D supplements on risk of acute respiratory tract infection. © iStock

Academics divided over vitamin D study claims of cold and flu protection

By Gary Scattergood

Vitamin D supplements could help prevent acute respiratory tract infections, including colds and flu, according to a study in The BMJ. But a linked editorial penned by academics from New Zealand and Scotland argues the results are “not sufficiently applicable...