September 15th, 2025 by SunYogi

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Biochemist Loren Pickart shares research on the effects sunlight has on the human body. Research on Sexuality, fertility, hormones, sex drive, depression, Seasonal Affective Disorder (SAD), schizophrenia, vitamin D, and the pineal gland is presented in this article.
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May 29th, 2025 by SunYogi

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In 2009, the Journal Clinical Endocrinology studied the effects that sunlight has on testosterone, the main male sex hormone responsible for libido (and sperm production). Research results show that increased exposure to sunlight and higher amounts of vitamin D increase the production of testosterone in men’s body. This is great news for couples trying to conceive a child and for men who wish to have more physical energy and look younger.
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