Maintaining sufficient levels of vitamin D in the body is not just good for physical health, it can also help protect against depression and promote good mental health, a new study finds.
Researchers looked at over 100 leading articles for a connection between depression, seasonally affected disorder and vitamin D levels (Stewart et al., 2014).
Dr. Alan E. Stewart, who led the study, which is published in the journal Medical Hypotheses, said:
“Seasonal affective disorder is believed to affect up to 10 percent of the population, depending upon geographical location, and is a type of depression related to changes in season.
People with SAD have the same symptoms every year, starting in fall and continuing through the winter months.
We believe there are several reasons for this, including that vitamin D levels fluctuate in the body seasonally, in direct relation to seasonally available sunlight.”
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