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Take away the water, and about 75 percent of your weight is protein.
This chemical family is found throughout the body. It's in muscle,
bone, skin, hair, and virtually every other body part or tissue.
It makes up the enzymes that power many chemical reactions and
the hemoglobin that carries oxygen in your blood. At least 10,000
different proteins make you what you are and keep you that way.
Twenty or so basic building blocks, called amino acids, provide
the raw material for all proteins. Following genetic instructions,
the body strings together amino acids. Some genes call for short
chains, others are blueprints for long chains that fold, origami-like,
into intricate, three-dimensional structures.
Because the body doesn't store amino acids, as it does fats or
carbohydrates, it needs a daily supply of amino acids to make
new protein.
Nuts for the heart: 
Many people think of nuts as just another junk food snack. In
reality, nuts are excellent sources of protein and other healthful
nutrients.
One surprising finding from nutrition research is that people
who regularly eat nuts are less likely to have heart attacks or
die from heart disease than those who rarely eat them. Several
of the largest cohort studies, including the Adventist Study,
the Iowa Women's Health Study, the Nurses' Health Study, and the
Physicians' Health Study have shown a consistent 30 percent to
50 percent lower risk of myocardial infarction (heart attack),
sudden cardiac death, or cardiovascular disease associated with
eating nuts several times a week.
There are several ways that nuts could have such an effect. The
unsaturated fats they contain help lower LDL (bad) cholesterol
and raise HDL (good) cholesterol. One group of unsaturated fat
found in walnuts, the omega-3 fatty acids, appears to prevent
the development of erratic heart rhythms. Omega-3 fatty acids
(which are also found in fatty fish such as salmon and bluefish)
may also prevent blood clots, much as aspirin does. Nuts are rich
in arginine, an amino acid needed to make a molecule called nitric
oxide that relaxes constricted blood vessels and eases blood flow.
They also contain vitamin E, folic acid, potassium, fiber, and
other healthful nutrients.
Eating nuts won't do much good if you gobble them in addition
to your usual snacks and meals. At 185 calories per ounce, a handful
of walnuts a day could add 10 pounds or more in a year if you
don't cut back on something else. This weight gain would tip the
scales toward heart disease, not away from it. Instead, eat nuts
instead of chips or other, less healthy snacks. Or try using them
instead of meat in main dishes, or as a healthful crunch in salads
Read
this and more in a Harvard School of Public Health article
by Julia Ross, excerpted from Well Being Journal, Vol 11,
No. 5 - full
article here
Are you an emotional basket case who can't get by without comfort
food? If you had more strength, could you power through your problems
without overeating? Should you feel ashamed of yourself for needing
emotional sustenance from foods? No! I hope to help you understand
why you are using food as self-medication. It's not because you
are weak willed; it's because you're low in certain brain chemicals.
You don't have enough of the brain chemicals that should naturally
be making you emotionally strong and complete.
These brain chemicals are thousands of times stronger than street
drugs like heroin. And your body has to have them. If not, it
sends out a command that is stronger than anyone's willpower:
“Find a druglike food or a drug, or some alcohol, to substitute
for our missing brain chemicals. We cannot function without them!”
Your depression, tension, irritability, anxiety and cravings are
all symptoms of a brain that is deficient in its essential calming,
stimulating and mood-enhancing chemicals.
Why Are Your Natural Mood-Enhancing Chemicals Sometimes Deficient?
Something has interfered with your body's ability to produce
its own natural brain drugs. What is it? It's obviously not too
unusual, or there wouldn't be so many people using food to feel
better, or taking Prozac for depression relief. Actually, there
are several common problems that can result in your becoming depleted
in your feel-good brain chemicals, and none of them is your fault!
You may have inherited deficiencies. We are learning more all
the time about the genes that determine our moods and other personality
traits. Some genes program our brains to produce certain amounts
of mood-enhancing chemicals. But some of us inherited genes that
undersupply some of these vital mood chemicals. That is why some
of us are not emotionally well balanced and why the same emotional
traits seem to run in families. If your mother always seemed to
be on edge, and she had a secret stash of chocolate for herself,
it should come as no surprise that you, too, need foods like candy
or cookies to calm yourself. Parents who have low supplies of
naturally stimulating and sedating brain chemicals often produce
depressed or anxious children who use food, alcohol or drugs as
substitutes for the brain chemicals they desperately need.
Prolonged stress “uses up” your natural sedatives,
stimulants and pain relievers. This is particularly true if you
have inherited marginal amounts to begin with. The emergency stores
of precious brain chemicals can get used up if you continually
need to use them to calm yourself over and over again. Eventually
your brain can't keep up with the demand. That's why you start
to “help” your brain by eating foods that have druglike
effects on it.
read
the full article
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