Mariel Hemingway Dispenses Advice on Healthy Living in 'Running With Nature'

Victoria Will/Invision/AP Images

Actress Mariel Hemingway, author of "Running With Nature."

On a personal mission to live the most balanced and healthy life possible, actress and model Mariel Hemingway and life partner Bobby Williams have compiled a guide to simple living in their new book, Running With Nature.

Sign up for the AARP Health Newsletter

In their interview with Prime Time Radio's Mike Cuthbert, they share fitness routines, eating plans, breathing exercises and relationship advice, promoting mental health and physical and spiritual wellness at any age.