A longevity expert says you should be doing this type of exercise by your mid-40s to slow the aging process

Woman in gym holds yellow weight plate in both hands. She is looking to the side and her mouth is open, smiling. She wears black pants and a black tank top. She has short grey hair with a tinge of purple dye. .

Everybody steadily ages over time, right? Well, perhaps not. New longevity research from Stanford University has revealed two distinct periods in our lives when the aging process accelerates—one at around 44 years of age and another at 60.

Thankfully, an expert in genetics and senior author of the study, Professor Michael Snyder PhD, says exercise can help mitigate against these spikes—and it's never too late to start.