The Healthy Living Expo will take place from 6 to 9 p.m., September 13, at the First Parish Unitarian Church, in Waltham. The event features Dr. Brian Clement, director of the Hippocrates Health Institute, delivering his talk, “Survive or Thrive: Understanding the Nature of Disease and Conquering Disease with Living Food,” from 7 to 8:30 p.m.

Clement, an author and international lecturer will explore the institute’s 50 years of helping people to heal themselves, from its early days in Boston’s Back Bay to its current location in West Palm Beach, Florida. He’ll also discuss decades of clinical research and human experience on the subjects of disease prevention and life extension.

The event will feature vendors, fresh juice and nutritious snacks, rejuvenating therapies and integrative health practitioners. There will also be a book signing by Clement and the chance to win a Polaris electric bike valued at nearly $2,500. Raffle proceeds benefit Real Kids Real Food, a program to help children learn about fresh foods and healthy habits for life.

Cost: $20 at the door or $15 online. Location: First Parish Unitarian Church, 50 Church St., Waltham. For more information, visit Eventbrite.com/e/survive-orthrive-nature-of-disease-conqueringdisease-with-living-food-tickets- 11818889617?aff=rss.