Nope not age related. At 37 I got down to pretty low body fat. Not sure how much but I had some decent vascularity on my stomach and rib cage… It CAN BE DONE. You need to eat right every day. Do tempo work until you hate it… I did pretty intense weight training 4-5x per week for 30-45 min. I think cutting the junk food out helped me alot. I ate the same thing every day I got tired of it but it worked… Check out Clarance Bass’ “ripped” on amazon. Some good tips on his book.