In a typical choir four 4 principal voice types

In a typical choir, four (4) principal voice types - Soprano, Alto, Tenor & Bass - are necessary to bring full tonal quality to the choir. Then there must be the right number of voices in each voice type to ensure there is a nice musical blend and harmony when all the voices come together. Likewise, you need to eat from ALL the five (5) major food groups - Grains, Vegetables, Fruits, Milk, Meat & Beans - in order to provide the perfect blend of nutrients to your body, even while dieting. So a good keto now or diet programme doesn't stop you from eating. Rather, it advises on better ways of combining and incorporating the five (5) food groups in your cooking and eating to lose fat and maintain a healthy body weight.

For some, this "comfort zone" is relatively fat, while others settle into a weight that is quite lean. For me, for example, I find that my body is most comfortable around 11% body fat (which would currently put me at about 200 lbs). I don't have to watch my calories too closely and I can cheat several times per week, and I'll just stay around 11%.
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