Cholesterol is the basis for sex hormones. Primal typically means increased cholesterol intake, (which is NOT a bad thing) and that means that rather than using what cholesterol the body can produce from carbohydrates for repairs, it has some left over for hormone production.
Or least, that's my theory. I'm always ready to be proven wrong. :-D
Chief cook & bottle washer for one kid, a dog, 6 hens, 2 surprise! roosters, two horses, and a random 'herd' of quail.
~The ultimate ignorance is the rejection of something one knows nothing about and refuses to investigate~