Fats or carbs: What causes obesity?

Researchers have been debating for a long time whether it is fat or carb intake that leads to obesity. A new study claims it may have settled the issue.

Low B-12 and folate levels in mature adults ‘of concern’

Many mature adults have vitamin B-12 and folate deficiencies, a large study has found. Policymakers should address this issue and shield public health.

Lactose-intolerant people have lower risk of certain cancers – but why?

Studies into a presumed link between milk consumption and cancer incidence in Western countries have been inconclusive.