Quote:
Originally Posted by
b1os 
And while the alcohol-liver-acetate-energy gets burned, what's not getting burned? Exactly. Your fat/muscles that normally deliver energy. What does this tell you? Alcohol's calories won't be secreted directly to fat (just a small part) but it passively blocks your normal fat metabolism and thereby makes you fat. Right?
b2t
To some extent, but not enough to make a huge difference. Once the alcohol is at that stage (this is after it's been turned into something else by the liver), it's burned off by the cells throughout your body, spreading the effect out quite a bit, and you're still processing other nutrients- the alcohol just gets priority. It doesn't block everything else for a few minutes, but it's burned off at a faster rate than the other stuff. But the other stuff is still getting processed, and if your body needs the nutrition, it'll still get processed. Unless you keep drinking. I'm talking about moderate drinking here- once you get into binge drinking, things do change in terms of scope. And you get different effects- for example, alcohol stimulates the appetite in smaller amounts (the far greater danger, really), but in larger amounts, the empty calories bit comes into play- your body thinks it's getting real nutrition, and you get less hungry. That's why you have alcoholics eating very little and effectively starving their bodies. They drink enough to feed themselves, trouble is, there's no nutritional value. But they feel like there is. If you're an alcoholic, you can indeed wind up blocking regular metabolic function in the way you're describing, and if you do that on a consistent enough basis, it can kill you.
Quote:
Originally Posted by
munchausen 
Just curious, not being confrontational at all: what are your qualifications on this? I.e. are you a doctor, nutritionist, etc? I ask not because I don't believe you, but because I hear so much contradictory information that I don't know what to believe about it.
I don't have any real credentials, I just was pissed enough at the contradictory myths and whatnot that I actually did some research at a higher level than advice pages and bodybuilding forums, which seems to be where a good deal of the general wisdom on this gets published. The stuff that you find there is often contradictory or misleading, generally because the people writing it don't have much idea what's actually going on. I have enough that it makes sense to me, but I don't have enough background to really explain it well.
As a sidenote, doctors have no more formal expertise than you or I in this matter (well, beyond the biology and chem heavy undergrad). Medical schools only have minimal, if any, coursework in nutrition.
Quote:
Originally Posted by
mgm9128 
The point should be made that there is nothing metabolically unique about HFCS that differs from regular table sugar, or sucrose.
Well, if you listen to the corn industry. Trouble is, it's not sucrose. It's fructose, with some sucrose, and bonded in a complex way that our bodies can't digest normally. It's a fairly small difference chemically, but our metabolisms evolved in very specific ways. The chemical similarity is why it tastes virtually identical (there are differences- try a pepsi and a pepsi throwback, or a coke and a Mexican coke to see the difference), but it is different, and processes differently.