Vitamin D deficiency: Symptoms, causes, and prevention

Poor nutrition and not enough natural sunlight can cause a vitamin D deficiency. In this article, learn more about the symptoms and risk factors.

‘Insufficient evidence’ to suggest omega-3 supplements help treat depression

A new Cochrane review finds there is not enough high-quality evidence at present to suggest that omega-3 supplementation can help treat major depressive disorder.

Probiotics may help some babies with colic

A first review to establish whether giving babies probiotics (Lactobacillus reuteri) is an effective way to prevent and manage colic concludes there is not enough evidence to say it does, especially in formula-fed babies.