I don’t agree fully with his nutritional insight but the general yin/yang concept is something more westerners need to know and embrace. As a group, we experience too much yang in modern life; Chek’s concept suggests we need more yin (Dr. Diet & Dr. Quiet) to balance.
Also see: Aldosterone, Sodium Deficiency, and Insulin Resistance The Randle Cycle Free Fatty Acids Suppress Cellular Respiration Aldosterone as an endogenous cardiovascular toxin Aldosterone and Thrombosis Low Sodium Diet: High FFA, Insulin Resistance, Atherosclerosis J Hypertens. 1993 Dec;11(12):1381-6. Effect of dietary salt restriction on urinary serotonin and 5-hydroxyindoleacetic acid excretion in man. Sharma AM, Schorr [...]
Am J Obstet Gynecol. 1993 Nov;169(5):1223-6. Excessive estradiol secretion in polycystic ovarian disease. Benjamin F, Toles AW, Seltzer VL, Deutsch S. Polycystic ovarian disease is both a hyperestrogenic and a hyperandrogenic syndrome, and all studies have shown that hyperestrogenemia is the result of an elevation of estrone with plasma estradiol levels in the normal follicular [...]