The swelling and tenderness of the joints are called arthritis. Arthritis is the most common condition in older people. It is a very painful condition and occurs due to several reasons. Age is one of the most common causes of arthritis. This condition can affect one or more joints. There are more than 100 types of arthritis but the two most common types of arthritis are:

1. Osteoarthritis.
2. Rheumatoid arthritis.

Now let discuss each type in detail.