Fat phobia has been so deeply ingrained into the consciousnesses of most people, it's important that the reasons why you should eat a little good fat are clearly explained.
1. A zero fat or very low fat diet puts you into the starvation zone
Low calories and skipping meals aren't the only things that send you into "survival mode." When dietary fat intake is reduced to less than 10% of total daily calories, this also sets off the starvation alarm.
2. A zero fat or very low fat diet causes large fluctuations in blood sugar
Fat slows down the release of carbohydrates into the bloodstream. When large amounts of simple and refined carbohydrates are eaten alone, they shoot rapidly into the bloodstream, creating a large spike in blood sugar.
3. A zero fat or very low fat diet causes greater insulin release
When your blood sugar spikes, your pancreas releases a lot of insulin to bring blood sugar back down to normal. Moderate amounts of insulin are necessary (and anabolic). Large amounts or insulin are lipogenic (cause fat storage) and anti-lipolyic (prevent fat release).
4. A zero fat or very low fat diet causes hormonally related hunger and cravings
You can have more willpower than a celibate monk in the Playboy mansion, but if you get hormonally induced hunger, you won't to be able to fight it. Whenever there's an unusually large blood sugar spike, it's a law of nature that there must be an equal or greater valley. This blood sugar valley, known as hypoglycemia, is the cause of those intense, almost irresistible cravings that send you frantically to the nearest Baskin Robbins or Krispy Kreme store.
5. A zero or very low fat diet reduces testosterone
Low dietary fat levels are correlated with low testosterone levels. For someone trying to become leaner and more muscular, this spells disaster.
6. A zero or very low fat diet can be deficient in essential fatty acids
Clinical fatty acid deficiencies are rare, but if you intentionally try to remove most of the fat from your diet, you could come up short of the "optimal" levels. Essential fatty acid (EFA) deficiency can impair fat burning, reduce your energy and cause a whole host of other problems. You'll learn more about EFA's in upcoming sections.
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