Exercising can be intimidating. Any New Year’s resolutions you made might feel overly ambitious and hard to keep. But fitness science tells us that exercise is linked to longevity and staying young. Read more: How fit you are is not determined by your age, weight or ability to do any one physical activity. In this bonus episode of Post Reports, we’ll talk about how to stay fit at any age. Health columnist Gretchen Reynolds shares some simple exercises to assess your fitness and explains how overall fitness influences how long and how well we live. This is part of our occasional series about how we can all rethink and reset our daily habits in 2024. You can find the online fitness age calculator here.This episode was produced by Taylor White and Bishop Sand. It was mixed by Sean Carter. It was edited by Lucy Perkins.