Share Facebook Twitter LinkedIn Pinterest Email Why nicotine is GOOD for your brain. 🧠👆🏼 For longevity I recommend around 5MG a day. If you use too much nicotine, you can experience thinning of hair or erectile dysfunction. #DaveAsprey #biohacking #biohacker #biohacked #health #nicotine #nootropic #nootropics #brainhealth #cognitivehealth