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Politics : A US National Health Care System? -- Ignore unavailable to you. Want to Upgrade?

To: J_F_Shepard who wrote (18882)	8/21/2010 3:54:11 PM
From: Lane3	Read Replies (1) \| Respond to of 42652

t I want to emphasize that total cholesterol is only secondary consideration.. My purpose in posting that was not to pursue the discussion about cholesterol. I just wanted to make sure it was clear that risk factors are merely correlations given that I happened upon such an apt explanation. There is no indication that reducing a risk factor would prove helpful to an individual, particularly when the correlation is weak. The natural reaction to the expression, "risk factor," is the notion that if you lower it you will lessen your risk. Common parlance suggests that, but that's not what it means. It only indicates correlation. LDL is the primary figure of significance for the general population...b I understand that LDL is the most popular, having displaced total cholesterol, although it is losing ground to HDL. But that's popularity, not aptness. to the best of my knowledge, LDL is not usually measured directly but is calculated from a relationship of total cholesterol, HDL, trigs.... LDL = Chol -(TG/5 + HDL)....... That's called the Friedewald calculation. I made oblique reference earlier when I discussed how slowly new tests are adopted. If the only measure you have of your LDL is calculated LDL, then you're working off an iffy number. The basic lipid test is still calculated LDL, it seems. You have to ask to get directly measured LDL Better yet is a VAP or NMR test to identify subparticles. You want to boost your HDL?.., exercise and red wine. Niacin and saturated fat, if you care about improving your correlation picture, that is.