Ever wonder why you feel like crying over a pet food commercial one day but can watch a tearjerker movie completely unfazed the next? Or why your weight seems to fluctuate despite eating the same ...

Sunlight activates hormones essential for mood, sleep and reproductive health — that’s why it’s important to go outside when ...

ENERGY levels and hormonal balance are closely tied to nutrition. When the body lacks key nutrients or experiences frequent blood sugar fluctuations, it can affect the menstrual cycle, thyroid ...

Male hormone levels maintain day-to-day stability while female hormones experience continuous changes throughout both the ...

Metabolism and thyroid hormones: a close relationship. Because they have such a big impact on how your body uses energy, thyroid hormones are often called the metabolic regulators. Your body burns ...

Isabel Casimiro, MD, PhD, is an endocrinologist at the University of Chicago in Illinois. As a physician-scientist in molecular biology, she uses her research on diabetes, lipid disorders, ...

In a previous post, I discussed the connection between the mind and the skin. In that article, I called for patients and clinicians to become more aware of the relationship between cutaneous and ...

Endocrine glands secrete hormones into the bloodstream, while exocrine glands secrete substances, such as sweat or enzymes, into organs or onto the surface of the body. The two main types of glands in ...

Free-living great tits differ considerably in the level of stress hormones in their blood. A research project at the Max Planck Institute for Biological Intelligence (in foundation) studied the birds ...