The most effective health messages

Is it better to tell people about the harms of certain health decisions or about the benefits of positive health related decisions?

Vitamin D: ‘no clear evidence of health benefits,’ say researchers

The role of vitamin D on health is a cloudy subject. Although many studies have hailed the vitamin for its beneficial effects on medical conditions, such as autoimmune disorders, heart disease and even cancer, other research has suggested otherwise. Now, two new studies published in the BMJ indicate there is no clear evidence that vitamin D is beneficial for certain health problems.