Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site psivax.UUCP Path: utzoo!linus!philabs!cmcl2!seismo!harvard!talcott!panda!genrad!decvax!tektronix!hplabs!sdcrdcf!psivax!friesen From: friesen@psivax.UUCP (Stanley Friesen) Newsgroups: net.med Subject: Re: cholesterol and lipids Message-ID: <617@psivax.UUCP> Date: Mon, 5-Aug-85 17:58:41 EDT Article-I.D.: psivax.617 Posted: Mon Aug 5 17:58:41 1985 Date-Received: Mon, 12-Aug-85 00:44:44 EDT References: <771@burl.UUCP> <787@mtuxo.UUCP> <193@omen.UUCP> Reply-To: friesen@psivax.UUCP (Stanley Friesen) Organization: Pacesetter Systems Inc., Sylmar, CA Lines: 24 In article <261@bbncc5.UUCP> sdyer@bbncc5.UUCP (Steve Dyer) writes: > >Let's remember the difference between EXOGENOUS cholesterol, that found in >the diet, and ENDOGENOUS lipid fractions, including cholesterol, HDL's and >LDL's, circulating in the blood stream. > It is meaningless to refer to >HDL's or LDL's or their ratios in foods as being "beneficial" or "harmful" >to human health, because during digestion they all turn into various >amounts of cholesterol, fatty acids, amino acids and glycerol, quite >uncharacterizable as high-density or low-density anything. It is the ratio >of lipid fractions found in the blood of real live people which appears to >matter. >-- Quite correct, I had forgotten this aspect of the situation. However, I do seem to remember that diet does have some impact on the HDL/LDL ratio in the blood, and that *amount* of cholesterol in the diet was *not* the most significant factor. However, my memory on this is rather vague. -- Sarima (Stanley Friesen) {trwrb|allegra|cbosgd|hplabs|ihnp4|aero!uscvax!akgua}!sdcrdcf!psivax!friesen or {ttdica|quad1|bellcore|scgvaxd}!psivax!friesen