what is the relation btw banana and lung cancer
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Recently, researchers compared the ability of eleven common fruits to suppress cancer cell growth in vitro. Which do you think was most effective—apples, bananas, cranberries, grapefruits, grapes, lemons, oranges, peaches, pears, pineapples, or strawberries?
There are many ways to compare the healthfulness of different foods. For example, if you were interested in antioxidants you might compare vitamin C content. If you compared vitamin C content between our two most popular fruits, apples and bananas, then bananas would appear twice as healthy (10 mg in a banana compared to only 5mg in an apple). But vitamin C is just one of thousands of different phytonutrients in fruits and vegetables. It turns out the vitamin C in apples accounts for less than 1 percent of an apple’s total antioxidant activity.
In my 5-min video Which Fruit Fights Cancer Better? I show a graph of the total antioxidant content of a red delicious apple. The amount contributed to the vitamin C is so tiny you can hardly see it. Even though there are only about 5mg of vitamin C in a small apple, it has the antioxidant equivalent of 1500 mg of vitamin C! I’ve reviewed before how taking that much vitamin C straight in a supplement may actually have a pro-oxidant effect and cause DNA damage (in my video Preventing Exercise-Induced Oxidative Stress With Watercress), but you can get three times that antioxidant power eating an apple, without the adverse effects.
Of course there’s more than just vitamin C in bananas too. I was surprised to see a study out of Harvard suggesting that bananas were a significant source of anthocyanins, the red/blue/violet phytonutrients found in berries. Maybe I underestimated bananas? They are, after all, technically berries.
There are many ways to compare the healthfulness of different foods. For example, if you were interested in antioxidants you might compare vitamin C content. If you compared vitamin C content between our two most popular fruits, apples and bananas, then bananas would appear twice as healthy (10 mg in a banana compared to only 5mg in an apple). But vitamin C is just one of thousands of different phytonutrients in fruits and vegetables. It turns out the vitamin C in apples accounts for less than 1 percent of an apple’s total antioxidant activity.
In my 5-min video Which Fruit Fights Cancer Better? I show a graph of the total antioxidant content of a red delicious apple. The amount contributed to the vitamin C is so tiny you can hardly see it. Even though there are only about 5mg of vitamin C in a small apple, it has the antioxidant equivalent of 1500 mg of vitamin C! I’ve reviewed before how taking that much vitamin C straight in a supplement may actually have a pro-oxidant effect and cause DNA damage (in my video Preventing Exercise-Induced Oxidative Stress With Watercress), but you can get three times that antioxidant power eating an apple, without the adverse effects.
Of course there’s more than just vitamin C in bananas too. I was surprised to see a study out of Harvard suggesting that bananas were a significant source of anthocyanins, the red/blue/violet phytonutrients found in berries. Maybe I underestimated bananas? They are, after all, technically berries.
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