A 100-year-old neurologist, with a Guinness World Records title for being the world’s oldest practicing doctor, shows no signs of wanting to retire. “The challenge of thinking through a case and getting to help patients, as well as teaching the next generation of neurologists, never gets old,” Dr. Howard Tucker of Cleveland, Ohio, told Guinness World Records….

Turning 100 may be reason enough for many to adopt a slower pace of life, but not for one Pennsylvania McDonald’s employee who became a centenarian on March 3, and really has no plans to retire from the job she loves. “I get paid. I pay my bills, and that’s good. I never had a…