New research suggests Sonoran Desert toads went into steep decline after stories of their mind-bending chemical properties ...

Your pineal gland is an endocrine gland, which means that it produces and secretes hormones such as serotonin and vasopressin; but most importantly, melatonin.

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Discover real Pineal XT reviews, benefits, and my 30-day results with this pineal gland awakening supplement. Does it really work?

: If you have aqueous tear-deficient dry eye, your tear glands don't make enough tears. WebMD explains what causes this condition and what to do about it.

Pituitary tumors can cause headaches in the front of the head, around the forehead or eyes. Learn more about the location and symptoms here.