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.
The most common signs of Endometriosis are: 1  Pain before and during periods. 2  Pain with intercourse. 3  General, chronic pelvic discomfort and aches throughout the month.  Low back- 1 ache. Heavy and/or irregular periods.  Painful bowel movements, especially during 1  menstruation. Painful urination during menstruation.  Fatigue.