Electromagnetic spectrum refers to the full range of all frequencies of electromagnetic radiation and also to the characteristic distribution of electromagnetic radiation emitted or absorbed by that particular object. Devices used to measure an electromagnetic spectrum are called spectrograph or spectrometer.
Another way that alcohol affects the endocrine system is by interfering with how the body absorbs calcium, a chemical needed for strong bones. As a result, people who drink heavily may be at a higher risk for osteoporosis, a disease in which bone density declines.
Endometriosis can affect a menstruating woman, from the time of her first period to menopause. One of the most common symptoms of endometriosis is pain, mostly in the abdomen, lower back and pelvic areas. The severity of pain a woman feels is not linked to the amount of endometriosis.