osÂ·teÂ·opÂ·aÂ·thy. n. 1. A system of medicine practiced by licensed osteopathic physicians that involves palpation and noninvasive manipulation of the musculoskeletal system in the diagnosis and treatment of physical dysfunction, in conjunction with other medical, surgical, pharmacological, and therapeutic procedures.
Average Age of Presidents. The majority of the presidents were between the ages of 50 and 59 when they were elected into office. The youngest elected president was John F. Kennedy at age 43. The oldest elected president was Ronald Reagan at age 69.
How to Become President of the United States The U.S. Constitution's Requirements for a Presidential Candidate: At least 35 years old; A natural born citizen of the United States; A resident of the United States for 14 years; Step 1: Primaries and Caucuses. There are many people who want to be president.