If you adopt the Sustained Fasting lifestyle you will be eating particular foods that will nourish one's body, but as well, allows it to concentrate its energy within the recovery process that occurs with a traditional fast. That is because those foods which are allowed are rapidly digested and will not cause any kind of adverse response to the immune system. Arthritis refers to arthritis, but the term is used to describe about 200 conditions that affect the joints, periarticular and other connective tissue. This is a rheumatism. Sunglasses allow better vision in bright daylight, and may protect one's eyes against damage from high levels of ultraviolet light. Typical sunglasses are darkened for protection against bright light or glare; some specialized glasses are clear in dark or indoor conditions, but turn into sunglasses when in bright light. Most sunglasses do not have corrective power in the lenses; however, special prescription sunglasses can be ordered. Specialized glasses may be used for viewing specific visual information (such as stereoscopy) or 3D glasses for viewing three-dimensional movies. Sometimes glasses with no corrective power in the lenses are worn simply for aesthetic or fashion purposes. Even with glasses used for vision correction, a wide range of designs are available for fashion purposes, using plastic, wire, and other materials. The manufacturing of L-Arginine decreases with age and quite a few professionals imagine this is responsible for a lot of degenerative processes that are linked to getting older.