As a counter-anecdote, I dramatically increased my exercise at 29, and reversed the weight gain I'd had slowly creeping over my 20s, and now in my 30s am at my

As a counter-anecdote, I dramatically increased my exercise at 29, and reversed the weight gain I'd had slowly creeping over my 20s, and now in my 30s am at my lowest weight ans best physical shape since at least my mid-teens, possibly ever.