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More Heart Protection
Researchers have also found that olive oil contains hundreds of chemical compounds that perform heart-protective functions. These compounds provide antioxidant protection against free radical cell damage, thin the blood to prevent clots, lower blood pressure, and prevent absorption of excess cholesterol in the body.
Anticancer Effects
Olive oil's antioxidant compounds also protect against cancer. Although researchers don't yet know why, olive oil appears to be especially protective against breast cancer; one study found that women who consumed olive oil at least twice a day had a 25 percent lower risk of breast cancer than women who consume it less often.
Tips:
Remember that for all its healthy benefits, olive oil is still a fat, and experts recommend keeping your fat intake to 30 percent or less of your daily calories. So don't go overboard.
Onions
Lower cholesterol
Combat infections
May help prevent cancer
May help reduce risk of heart disease and stroke
May help prevent asthma
If you tend to avoid onions on your sandwich for the sake of your breath, read on: once you find

 
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