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Step 1
Prevent heart disease. The use of onions as part of food preparation has nutrients that are necessary in preventing heart diseases. Studies show that it prevents coronary heart disease.
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Step 2
Slow aging. Antioxidants that are found in onions are useful in slowing down the rate of aging. They also have important phenolic compounds that reduce chronic diseases.
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Step 3
Treat asthma. The onion compounds have flavonoid, which gives the onion its purple or brownish color. These compounds can help in the treatment of asthma.
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Step 4
Fight cancer. Fruits and vegetables are very essential in preventing the occurrence of cancer. They contain phyto-chemicals, which are plenty especially in onions and help preventing chronic diseases like cancer.
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Step 5
Protect against cardiovascular disease. Onion phenols prevent the destruction of biomolecules like proteins, lipids and DNA. These biomolecules are important in protecting the body against cardiovascular diseases.
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Step 6
Protect against cardiovascular disease. Onion phenols prevent the destruction of biomolecules like proteins, lipids and DNA. These biomolecules are important in protecting the body against cardiovascular diseases.











