In our medical practice, we would use intermittent fasting as part of a comprehensive medical plan to increase longevity. There are studies which demonstrate this is beneficial, at least in Macaque monkeys. Weight loss was just a nice side effect.
• As people get older, their brain connections start to break down faster in midlife (around 40–60 years) because brain cells don’t use sugar as well.
• Giving the brain a different fuel called ketones can help keep those connections strong during this middle‐age window.
• This suggests that helping the brain get fuel in midlife could keep it healthier and slow down memory problems later on.
You can ingest ketones on their own (generally expensive supplements), but this article is more interesting in that a ketogenic diet (very low carbs) may have similar benefits.
I didn’t take typing lessons, but I’ve been typing since the 1980s, probably since 1987. At some point, I discovered that people typed without looking, decided that using 10 fingers and typing without looking at the keyboard was better, so I started optimizing for it, and it worked.