Tag Archives: Hormone

Fat Hormone Influences Your Motivation to Eat

A new study helps to explain how leptin, a hormone produced by fat tissue, influences your motivation to eat. The researchers described for the first time a collection of leptin-responsive neurons in the brain’s lateral hypothalamic area (LHA). Those LHA neurons feed directly into the mesolimbic dopamine system, which controls the rewarding properties assigned to… Read More »

Melatonin: Is This Natural Hormone One of the Keys To Slowing Brain Aging?

Melatonin is best known as a sleep hormone because of its action controlling the circadian cycle. But melatonin also has antioxidant properties, and may have an important anti-aging role. A recent study looked at artificially aged mice to determine the effects of melatonin on aging.  Such mice are used as a model to study the… Read More »

Hormone Replacement Therapy for Men: Types & More

Hormone Replacement Therapy: Definition When we talk about hormone replacement therapy (HRT) in men, we’re talking about testosterone. A small amount of testosterone is produced in the adrenal glands, but for men the majority of testosterone is produced in the testicles. Testosterone has both physical and psychological benefits.1 Physically, the hormone has several functions for… Read More »