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 median age of accession is roughly 53 years and 6 months, which is how old John Adams was at his inauguration. The youngest vice president to assume office was John C. Breckinridge, at the age of 36 years, 47 days. Serving only one term, he became and remains the youngest at the time of leaving office. The oldest vice president to assume office was Alben W. Barkley, at the age of 71 years, 57 days. He was also the oldest in office when he left office. The oldest living vice president is George H. W. Bush, born on June 12, 1924 (age 7009292982400000000â 92 years, 307 days); he is also the oldest living president.