>The brain is the most cholesterol-rich organ in the body and contains almost 25% of the total amount. https://academic.oup.com/cardiovascres/article/103/3/405/2931058#:~:text=1.-,Brain%20cholesterol,25%25%20of%20the%20total%20amount.&text=The%20majority%20(70%E2%80%9380%25),fulfils%20a%20critical%20insulating%20role. >The male sex steroid, testosterone (T), is synthesized from cholesterol in the testicular Leydig cell under control of the pituitary gonadotropin LH. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2262169/#:~:text=The%20male%20sex%20steroid%2C%20testosterone,of%20the%20pituitary%20gonadotropin%20LH. It's what your brain is made of and without it your body can't produce testosterone, now add on top of that the fact that vegan "food" is highly estrogenic. What a mess.