Medical Hypotheses

Health

Vitamin D deficiency, depression linked in international study

Vitamin D deficiency is not just harmful to physical health—it also might impact mental health, according to a team of researchers that has found a link between seasonal affective disorder, or SAD, and a lack of sunlight.

Psychology & Psychiatry

App may signal cellphone dependency

A new, free app will allow smartphone users to measure their cellphone use. Computer scientists and psychologists from the University of Bonn have developed an application for this purpose. Whoever installs it can see, e.g., ...

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