I’m 38 and right around 34-35 is when you start to notice it IMO. I have minor scoliosis in two places and I threw out my back getting out of bed one morning when I was like 34.
I’m 37 and about 6 months ago I woke up and my back and shoulder hurt like hell.
It got better when I moved around but it hurt a lot if I didn’t move my arm for a few minutes.
I tried median nerve flossing like in this video and it gradually got better https://www.youtube.com/watch?v=hLQWy_M9Lso
43 here. Still feel strong thanks to the gym. I’ve been lifting since I was 17. Longest I’ve ever stopped was about 2 years. I still lift heavy and don’t have any of that “older folks” back pain, and “it’s really hard to get up in the morning” and all that. I’m thankful for that. It’s never too late (if you don’t have a condition that prevents you) to become a gym goer.
I’m 57 and I bike 25 or 50 miles four days out of every five, and I work out at the gym every day. I had stretches when I was a decade or two younger where I did nothing but eat and smoke pot and I weighed forty to fifty pounds more than I do now; during those stretches I felt like I was 80 and hurt all over all the time. Sometimes older folks have severe injuries that prevent them from doing anything physical and the decay just adds up, but for a lot of people being sedentary creates the illusion that aging is unstoppable. Of course it is unstoppable ultimately, but you can sure as fuck do a lot to slow it down.
My hair-thinning had gotten really bad, plus a wealth of other health issues. It was only when I realized that I had been taking high-dosed tranquilizers every day, starting in the morning, that I could admit to myself that I had a stress problem. On top of my objectively ridiculous workload, I started interviewing, and it took a long, very painful year to find a new job that was better in every way. And wouldn’t you know, within a year, my hair grew back so thick that I could hardly run a comb through it even when it was short and wet. It took a few more years for most of my other, stress-related issues to abate, though.
And to counteract some of the negativity in this thread, some people positively don’t seem to age, especially those regularly working out. I’ve known men and women that looked exactly the same over 20, even 30 years.
TLDR: Work out for fun, and don’t ever get salaried.
I’m 43 and the thinning hair the only real indication so far. I stretch, and lift weights so that I can stay fit enough to surf, and I ride my Ebike everywhere that I can. As long as you stay active, you don’t really feel it till your 70s or 80s. Eat your veggies kids. You can’t outrun your diet.