You know, people don't get like this about Low Fat as an approach - even though Low Fat tends to mean 'High Carb' - which basically means 'High Sugar'.
If we called it 'Low Sugar', rather than 'Low Carb', I have to wonder whether people would be so ready to come out with all this "well, I don't actually KNOW anything about it, but it sounds dodgy to me!" stuff. (Not that everyone's doing that - but I think a lot of us have that vague, uninformed, gut-level sense that Low Carb isn't a "proper" weightloss approach - not like Weight Watchers, or Low Fat, or Calorie Counting. I know I used to think that.)
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I'd rather stick with something that is nutritionally sound and closer to the natural diet of my family and ancestors (Mediterranean type with lots of fruits, veggies, grains, fish and nuts), and not worry about what health effects may come 20, 30 or 40 years from now as a consequence.
This is an interesting point, because the thing about eating primarily lean fish, poultry, meat, green leafy veggies and dairy (along with limited fruit) is that this DOES mirror the kind of diet our ancestors ate. Fruit was neccesarily limited because it's seasonal, and we (and how our bodies process food) had already evolved a very long time before anyone thought about harvesting grains and processing them into flour, whilst sugar is, in evolutionary terms, practically a brand new foodstuff.
It's a touch depressing to see so many people whose opinions depend on hearsay - I mean, I had much the same impression of Low Carb myself before I actually went off and started doing some research - and, you know, READ Atkins' book. I was quite surprised to find that it is not, in fact, a weightloss plan that espouses "eating crap" and magically getting thin; it's a weightloss plan that specifically espouses
eating whole foods - but cutting out sugar, and cutting back on the starchy foods that your body turns into sugar, whilst eating lots (this is mandatory) of leafy green veggies, lean cuts of fish, meat, poultry, seafood, healthy oils and dairy. And, within a couple of weeks, reintroducing berries, whole grains, melon, seeds and nuts and other higher-carb foods at a careful rate.
It is also an eating plan that makes no bones about the fact that (1) it's FOR LIFE, not just a quick fix, and (2) exercise is also mandatory.
I think we're all guilty of this intuitive notion that if you eat dietary fat it will glue itself onto us as people-fat, but that's actually pretty damn silly. If you eat fish, you do not suddenly grow gills. Our bodies break down foodstuffs and process them - and for many people a pat of butter may actually be easier for the body to process efficiently than a white bread roll is. Counterintuitive though that seems at first.
Gary Taubes' '
Good Calories, Bad Calories' gives a fascinating overview of the recent history of nutrition, including the basis for both the Low Fat and the Low Carb ideologies. It's not exactly light reading, but it's certainly head-go-boom stuff.