Joining the centenarian club is a highly sought-after milestone, so what’s the secret? According to Howard Tucker , MD, who will celebrate his 103rd birthday in July 2025, it’s all about living life to the fullest. In 2021, the esteemed neurologist was recognized by Guinness World Records as the oldest practicing doctor at the age of 98. As a medical expert, WWII veteran, lawyer, COVID survivor, and newfound social media star, Tucker has experienced a lot in his lifetime. Now, he’s revealing his top six tips for longevity .

1. Keep working for as long as it keeps you happy. A Hollywood doctor is speaking out about stem cell treatment. iStock

Tucker has some choice words when it comes to retirement, calling it "the enemy of longevity."

"You have to have some purpose in life

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