Physical conditions or diseases that can cause knee pain: 1  osteoarthritis: pain, inflammation, and joint destruction caused by degeneration and deterioration of the joint. 2  tendinitis: pain in the front of the knee that is made worse when climbing, taking stairs, or walking up an incline.
Ages Of US Presidents. John F. Kennedy is the youngest-ever elected president, aged 43. However, Theodore Roosevelt is the youngest person to ever become president. He was 42 when he succeeded to the presidency, following the assassination of McKinley. Ronald Reagan is the oldest person ever to be elected president. He was 69.
The youngest living vice president is Al Gore, born on March 31, 1948 (age 7009217868400000000â 69 years, 14 days). The longest-lived vice president was John Nance Garner, who died at the age of 98 years, 350 days. He surpassed Levi Morton for this distinction on November 23, 1964.