Zinc
Children and teenagers, particularly girls, have been
found to be deficient in zinc - half of all girls in their teens do not
have healthy levels of the mineral.
Some research has
shown that having red meat less than twice a week can result in zinc
deficiencies. Zinc is particularly important for healthy skin and a
healthy immune system. During the winter months in particular a good
supply may help prevent colds and other infections.
While other
foods such as oysters, milk and lentils contain zinc, red meat is the
most efficient way of getting it into your body.
Iron
Red meat is an essential source of iron - lean beef has 2.7mg of iron
per 100g - and is vital to good health, as well as preventing conditions
such as anaemia. Up to a quarter of menstruating women are thought to
be deficient in iron. Meat contains more iron than most foods, and it is
more easily utilised by the body than from vegetable sources.
Elderly people, pregnant women, children and those recovering from
surgery could all benefit from increased iron intake. Iron helps to
generate red blood cells, which carries oxygen from the lungs to the
tissues and carbon dioxide back to the lungs. Red meat is also a good
source of other vitamins and minerals such as phosphorus, potassium,
magnesium and selenium.
Protein
Red meat is a major
source of protein, which is needed for muscle and organ health. The
protein found in meat is "complete", meaning that it contains all the
amino acids that the body cannot make on its own. It is essential for
the body's repair and renewal as well as general health.
Weight loss
Australian scientists have found that people who ate a diet high in
protein, based on lean red meat, as well as fruit and vegetables, lost
25 per cent more weight over a fixed period of time than those who ate a
low protein, carbohydrate-rich diet that contained the same amount of
calories and fat.
The scientists concluded that some people
might be more successful in losing weight on a high-protein diet because
they felt less hungry and could go without food for longer. Those on
the high-protein diet also saw levels of their "bad" cholesterol drop.
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