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A brain signal system that controls
appetite responds to specific amino acids found in meat. This
discovery could lead to new weight-loss techniques.LeucineAnimals
injected with the amino acid leucine ate 20 percent less food
the following day, and only gained a third of the weight of
their peers after a 24-hour fast. Leucine, which is found
in protein-rich foods, acts on the enzyme mTOR. mTOR is highly
active in a brain structure called the hypothalamus, which
regulates appetite.Fooling the BrainThe leucine may fool the
brain into believing there is an ample protein supply throughout
the body, resulting in a suppression of hunger.
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New Scientist May 11, 2006Dr. Mercola's
Comment:Amino acids are the basic structural buildingunits
of proteins. Your body juggles 20 of them to construct nearly
every protein in your body.Evidence is growing about the value
of one of the amino acids, leucine,which isfound in meat and
dairy products. Not only can a leucine-rich diet boost the
benefits of exercise, it can help you lose weight too.Leucine
is a branched chain amino acid and is considered essential,
which meansyour body cannot produce it, and therefore it must
be consumed through food. Leucine helps you reduce body fat
and maintain muscle mass during weight loss.Many people interested
in health do not have afavorable view of meat and believe
avoiding meat is very healthy. I believe their is some validity
for these concernsas most of the commercialmeat is the United
States is produced by factory farming methods. If you are
not familiar with the major abuses that occur in this system
I encourage you to review the excellent New York Times article
on this topic.However, healthy meat can be an excellent source
of protein in the diet if you find the right source. Normally
I advise pasture-fed cattle and free-range chickens. The best
source for finding these would be locally, and many health
food stores can help you find it.
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This way you can avoid shipping charges.If
you are unable to find it locally we do carrygrass-fed beefandostrichand
grass-fed bisonin our store for your convenience.It is important
to recognize, however, that not everyone requires large amounts
of protein and fat to lose weight. Actually aboutone-third
of people will actually do worse on this type of program.
Carb metabolic types are just not designed to eat much protein,
and they do quite well with smaller amounts.This is why the
leucine researchers were quick to note their findings don't
explain why some people lose weight with the flawed Atkins
Diet, while others do not. For some, consuming leucine-rich
foods is a good match for their unique metabolic type.
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