February 5, 2019

Exercise Hormone May Protect Against Alzheimer’s

A hormone released during exercise may protect the brain against Alzheimer’s disease, research suggests. Irisin is a messenger protein generated by muscle tissue that is carried around the body in the bloodstream. The new evidence indicates that it may be behind the known positive effects on mental performance of taking exercise. US and Brazilian scientists found lower levels of the hormone in the brains of Alzheimer’s patients compared with healthy individuals. The same was true for the precursor protein from which irisin is derived, FNDC5. In tests on genetically engineered mice, the scientists induced learning and memory deficits by cutting […]
October 30, 2018

Get In the Mood with Maca

Maca—you’ve probably seen it in foods like chocolate, energy bars, by itself, and in supplements. But what is it and what’s it for? Maca is a plant native to the Andes Mountains. It’s available in red, yellow and black varieties. While maca root has several uses, its most popular ones are for enhancing fertility and sexual function. The Sperm-Enhancing Effects of Maca Maca appears to enhance sperm-producing ability. In men, maca has been shown to increase sperm count and motility. A study of men ages 20 to 40 years found increases in sperm concentration and motility in comparison with non-supplemented group […]
May 29, 2018

New Findings Explain How Melatonin Promotes Sleep

Melatonin is a hormone known to promote sleep, but its underlying mechanisms are unknown. Now,