There's also NAND to Tetris [1], csprimer [2], and/or lists like these [3] or codecrafters [4].
[0] https://third-bit.com/sdxpy/
[1] https://www.amazon.com/Elements-Computing-Systems-second-Pri...
[2] https://csprimer.com/courses/
[3] https://www.andreinc.net/2024/03/28/programming-projects-ide...
Try eating the usual health-promoting diet high in fiber and low in saturated fats from animal sources, mostly whole foods, lots of fruits and veggies and legumes and whole grains, lean meats, etc.
After a few months, check your blood work.
Then reintroduce fattier cuts of meat into your diet and see what your numbers do after a few months.
Highly recommended to search their episodes for anything about health or fitness you've been curious about.
Being worried about dementia but ignoring things like heart disease, diabetes, poor sleep, getting enough exercise, eating a health-promoting diet, etc. is like worrying about paying for retirement but refusing to save and invest.
There are a handful of high-impact habits that meaningfully lower your risk for the major killers people are worried about: https://www.barbellmedicine.com/blog/where-should-my-priorit...
Nitpick: he mentions LDL-C but the test results don't mention that at all. Only later do I see that is "LDL Cholesterol".
In a real sense, you've spent decades likely increasing your risk unnecessarily when taking action early would have given you the greatest leverage to lower your lifetime risk.
But you can't change the past. If you didn't plant a tree 20 years ago, plant it today and you'll still get some benefit, minimizing any future increase in risk and maybe even lowering it.
You could realistically have almost half your life left before you, and you can still end up being fitter and healthier than you've ever been in your life if you adopt healthy habits around diet, strength training, and endurance training.
They both come from the Racket school of pedagogy and focus on systematic program design [2]. The first resource is free and excellent, but the second goes into more detail.
[0] https://htdp.org/2024-11-6/Book/index.html
[1] https://www.amazon.com/stores/author/B09QMPRYYM/allbooks?ccs...
[2] https://felleisen.org/matthias/Thoughts/The_Design_Recipe.ht...