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Meat and your Diet
Meats
play an important role in our diet and their nutritional qualities should not
be underestimated. Including lean meats in a healthy eating plan is a tasty and
easy way to get a compact source of good nutrition. Lean meats provide the body with
important nutrients, including high-quality protein, iron, zinc, and B
vitamins. Studies have
associated heavy consumption of meat
with a shorter life and with a higher risk of diabetes, colon cancer, and
cardiovascular disease. That doesn't mean, however, that you have to erase meat
from your diet in pursuit of better health.
Studies also associating red
meat consumption with disease don't actually prove cause and effect. It's tough
to imagine a trial that would randomly assign some people to abstain from meat
and others to consume it over a long enough period of time to see the effects
of diseases like cancer. But the studies we do have seem to point toward some
connection.
There are many hypothesized
mechanisms to explain how meat might contribute to health problems, and they
likely vary by disease. Behind the increase in diabetes risk, for example,
seems to be meat's strongly absorbed iron content; meat contains hemi iron,
more readily available to your body than the iron found in plants. As for
cancer, carcinogens are produced during high-temperature, especially in charred meat. Or the culprit
may be saturated fat, which has been associated with some forms of cancer
. Whatever
meat you eat, remember that most nutritionists recommend protein occupy only
about 25 percent of the real estate on your plate. Another 25 percent can come
from whole-grain based foods and a full half from vegetables and fruits
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