The health of America's leaders has always been a focal point for the public but perhaps never more so than now. The physical and cognitive health of former President Donald Trump, 77, and President Joe Biden, 80, has entered the national conversation. Rep. Ronny Jackson, once Trump's White House physician and now a Texas congressman, recently lauded Trump's health, despite the former president's famously unorthodox diet and exercise habits. He cited Trump's strong cardiac stress test results an