1 in 4 cases of depression may be caused by off-kilter body clocks
Depression has long been linked to chemical imbalances, but many cases may actually be related to disrupted body clocks that could be treated with melatonin therapies and early morning sun exposure

<p>Depression has long been linked to chemical imbalances, but many cases may actually be related to disrupted body clocks that could be treated with melatonin therapies and early morning sun exposure</p>