The most common disability claim in America is for muscle, back, and joint disorders, like arthritis and lower back pain. In 2013, these disabilities accounted for 28.6% of new claims and 28.7% of already-existing claims.
That same year, the entire disability program came under fire from Congress, which wanted to know why there were so many cases. They questioned whether the people receiving the benefits were really disabled or just claiming to be in pain.
But anyone who has...