Peter Attia· MD
The turnover time for cholesterol in the plasma is 2 to three days all right so if a cholesterol molecule is synthesized in the brain what is it halflife 5 years now halflife if a halflife is uh a given number the total sort of brain resonance time of that cholesterol molecules you multiply that by seven so uh some cholesterol molecules last up to 30 years once they're synthesized in the brain