In order to learn you have to eat healthy, sleep well, exercise and practice discipline.
A lot of you have good intent researching topics in the purist of learning. You are limited by physical capability and health.
Certain information has barriers to entry which have no shortcut or alternative. Remembering the basics and reinstating them can lead to new leads, insights and perspectives along with potentially new outcomes.
The overview is improved recently people are becoming more intelligent. Consider if your current lifestyle in relation to above is serving you well and if you could improve it. Do not try do it all in one go allow room for failure and keep working on improving yourself.
God bless you.