The lack of vitamin D can increase the risk of depression up to 75% in elderly people, according to a study conducted by Trinity College members in Dublin (Ireland) after four years of research.
To reach this conclusion, these specialists analyzed the health data of 3,965 people over 50 and reviewed them both two and four years later, a period of 400 people who had developed depression.
Robert Briggs, one of the researchers involved, says it is the "widest and most representative study of the risk of depression and the status of vitamin D in older adults, which has been performed in Ireland".
Thus, these researchers believe that vitamin D can protect the brain from aging wear, although they consider that more studies are needed to find out if this is the case.
Dietary supplements of this type are not hard to get past and are relatively safe to take. However, those responsible for this research request updated guidelines for more precisely establishing the recommended intake of vitamin D.
According to MedlinePlus, foods containing vitamin D are natural:
- Poor fish like salmon, tuna and mackerel
- Liver of beef