What's your diet like? Are you eating a variety of leafy green vegetables? If not, add that to your daily food intake. You don't even really need to change anything else if you don't want to. But eating a variety of dark leafy greens will help your mitochondria, the powerhouse of your cells. Foods that help your gut are also imports, so sauerkraut, kimchi, yogurt etc. fermented foods.

I add them to pretty much any of my foods, even when I am eating junk. Kimchi on pizza is one of my favorite combinations. It's really good. I'll cut up arugula and add it to my nachos. I add dark leafy greens to all my burritos, whatever else.

With any new diet change, start small and slow. So, if you barely eat dark leafy greens, start with spinach and add a bit of kale or arugula every couple of days. Same with yogurts and kimchi's and stuff. Eat small amounts to begin with. Your body needs to adjust to the new foods. Eating too much too soon can cause discomfort.

I'm 37 I feel much better than I did in my 20's but I have completely transformed my diet from mainstream processed foods to vegetable laden, especially dark leafy greens. I also do stretching exercises 1-3 times a week. Keeps me limber, and its relaxing, vs working out which is tiring. ( I work out too, but it's the stretching that makes me feel better!)

Maybe go to a Dr about your knees, I’m in my 30s my genetics aren’t great. I did go bald in my 20s but besides that Iv never felt better, I do take vitamin and mineral supplements though. I have 2 kids but my body form has never been better

When people say that teenagers feel like they're invincible, this is what they're talking about. The reality of life is that all this stuff starts much sooner than you'd expect. Growing up, you think you're probably fine until you get old but it's all part of a gradual decline that you have no choice but to get used to.

Good luck, buddy!

I'm doing all right myself, but I can't say the same for my girlfriend. Headaches, tummyaches, backaches, or whatever random thing it is today, there's always something. She's a few years older than me so I guess I have something to look forward to lol.