Cooler air cannot hold as much moisture so it is released, falling as rain. These mountain barriers create a rain shadow effect that protects the San Juan Islands from the 150 inches of rain that falls annually on the mountainsâ western slopes.
About 100 million Americans suffer from chronic pain, defined as pain that lasts longer than six months. Chronic pain can be mild or excruciating, episodic or continuous, merely inconvenient or totally incapacitating. With chronic pain, signals of pain remain active in the nervous system for months or even years.
What Are Painful Menstrual Periods? Menstruation is a monthly occurrence for women in which the body sheds the lining of the uterus (womb), which is then passed through a small opening in the cervix and out through the vaginal canal. Some pain, cramping, and discomfort during menstrual periods is normal. However, excessive pain that causes you to regularly miss work or school is not. The medical term for painful menstruation is dysmenorrhea.