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 Symptoms. The most common symptom of endometriosis is pain that occurs prior to, during, or after menstruation. The pain can occur during sexual intercourse, during urination, or during bowel movements. Some women have severe, disabling pain. It can also cause chronic pain in the low back or pelvis.