Farmers alter the growth hormone levels of cattle and fish to increase their yield. This change may contaminate your food with hormones and antibiotics.

Despite what you may have heard, there's no evidence masturbation lowers your testosterone level in any significant way. Here's what you do need to know, though.

Even a little bit of imbalance in your hormones can cause major problems for your body, including fatigue, acne and weight gain.

Not everyone has the "standard" body temperature of 98.6 degrees Fahrenheit. Your temperature may run a little higher or lower than this normally, and a slightly lower than normal temperature is generally nothing to worry about.

The generic term steroids includes both corticosteroids and anabolic steroids. Each type of steroid can lead to side effects in both women and men. Here's what you need to know about these side effects.

High testosterone levels in women can trigger several physical effects. Common effects involve the skin, hair and menstrual cycles.

Even though estrogen is a hormone more often associated with women, the truth is, both men and women produce estrogen. And all men need to maintain a certain level of estrogen for proper [reproductive and sexual function](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4854098/).

The choice of drug treatment for high cortisol levels often depends on the cause, as well as possible side effects. If a single medication isn't adequate, combinations are often used.

Women normally produce testosterone, which aids in reproductive function. An abnormally high or low level can cause fertility and other medical problems.

Legal steroids can be either prescribed anabolic steroids or legal alternatives such as prohormones. Controlled substances such as testosterone analogs or HRT (hormone replacement therapy) are legal when prescribed by a physician.

Progesterone is one of the major female hormones produces by the ovaries. The other hormone is estrogen and the two hormones work together to control a woman’s menstrual cycle. Doctors often prescribe progesterone as hormone replacement therapy for menopausal women.

Cortisol is the primary stress hormone in the body. The Mayo Clinic says it increases the amount of sugar, or glucose, in the bloodstream, it enhances the brain’s ability to use glucose and it helps in the repair of tissues.