When it comes to fitness, we live in the best of times … and the worst of times.

There are more fit and active men and women over the age of 50 than any other time in human history, but there are also more overweight, out-of-shape and undernourished men and women over 50 than any other time in history.

Why is that?  

Shellane Demarest is a certified fitness and nutrition expert, a personal trainer and an Army veteran who is on a mission to change lives.

She explains why fitness doesn’t have to be so overwhelming. Find out about functional fitness and how you can work out all day long, if you’re paying attention.