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.
The list below shows some of the causes of Severe joint pain mentioned in various sources: 1  Avascular necrosis - severe joint pain. 2  Bartonella infections - severe joint pain. 3  Bartonellosis - severe joint pain. 4  Hemoglobin S/hemoglobin Lepore, Boston - severe joint pain. 5  Hemoglobin S/hemoglobin O, Arab - severe joint pain.