According to the Drug Enforcement Administration, professional and recreational athletes illegally use performance-enhancing drugs to enhance their abilities and improve their physique. These substances, called anabolic androgenic steroids, alter the body's testosterone system.

Cortisol is a very important hormone, because it influences inflammation and plays a role in the stress response. The adrenal glands secrete this hormone into circulation four times per day. Its earliest and largest release, which occurs around 8 AM, effectively provides the energy to start the day.

Pearl cream, also called mother of pearl cream or concha de nacar, has a history that dates back to the Ming Dynasty of ancient China and Pre-Columbian cultures of the Inca Empire. NaturalWonders.

Puberty in men and women is due in part by the production and release of testosterone. Contrary to popular belief, this hormone is also produced by women, yet men produce significantly more testosterone than women.

Discover how progesterone, a hormone commonly associated with female reproductive processes, plays a vital role in men's health. Learn about its production, functions, and benefits for male reproductive vitality.

Synthroid, or levothyroxine, is a medication commonly prescribed to treat hypothyroidism, or the low production of thyroid hormone, states MayoClinic.com. Synthroid is identical to thyroid hormone produced by the human thyroid gland, thus, mimicking its effects.

Estrogen is one of the primary female sex hormones. Normally, estrogen is in balance with the other primary sex hormone, progesterone. When the body has too much estrogen, from overproduction of estrogen or lack of progesterone, it enters a state referred to as "estrogen dominance."

Cortisol, also known as "the stress hormone," is a hormone produced by the adrenal glands, usually released in times of stress.

Cortisol is a stress hormone released by the adrenal glands during a fight-or-flight emergency situation. It is responsible for several functions in the body including blood pressure regulation, glucose utilization and anti-inflammatory properties.

Hormone imbalance leads to a variety of health conditions, including increased risk for certain cancers.

Athletes and bodybuilders often turn to sports supplements for improved results. Testosterone boosters are supplements that may help athletes build increased muscle mass and strength.

Glycolic acid is a type of alpha-hydroxy acid, or AHA, that can be an effective staple of any skin care regimen. A glycolic acid molecule is extremely small, enabling it to penetrate the skin more easily and deliver powerful results.