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 President ever elected was John F. Kennedy, who was 43 at the time. Been a resident of the United States for 14 years: These donât have to have been 14 consecutive years or even the years prior to running for office. As long as you have been a resident of the US for a total of 14 years, you meet this requirement.