Useless.
Its about chemistry and behavior, not about wishes and hand waving. People need ACTIONABLE advice. For starters:
1. Modafinil 100-200mg (not every day)
2. Vitamin B complex 50mg
3. High fat diet, lots of eggs
4. No THC
5. CoQ10 100mg
Each of those is demonstrated to influence cognition in multiple research setups, in humans and animals. Some consider Alzhamier to be diabetes type 3.Also, virtually no side effects.