Life expectancy in the U.S. is 78.4. Therefore, middle age is 39.2. So Middle Age is approx 40 to about 50-60 where old begins. Results may vary-If you live in the south, teeth, which are an indicator of age start to fall out at 17 or 18 and middle age is 25 or your 4th child, whichever comes first.
Joint swelling may be accompanied by other symptoms, including stiffness, pain, redness, warmth, and apparent loss of range of motion of the joint. Depending upon the exact cause, swollen joints may occur singly, or multiple joints in the body may be involved at one time.
Joint stiffness is the sensation of difficulty moving a joint or the apparent loss of range of motion of a joint. Joint stiffness often accompanies joint pain and/or swelling. Depending on the cause of joint stiffness, joint redness, tenderness, warmth, tingling, or numbness of an affected area of the body may be present. Joint stiffness can be caused by injury or disease of the joint and is a common finding in the arthritis conditions.