At 94 retired dentist Charles Eugster could be excused for slowing down. But that is the very danger that is responsible for so many people’s sad ending to life. Instead, Charles keeps up a constant regime of vigorous exercise, healthy eating, competition body-building and speaking engagements, all of which he says are the keys to living a long and healthy life. His TedX talk which has attracted almost 170,000 views has inspired people from all corners of the globe to improve themselves as they age.