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Why do blueberries help protect us from diseases such as cancer?
Wiki User
∙ 14y ago
Blueberries contain high levels of antioxidants. In general antioxidants prevent the breakdown of body tissues into waste products that basically interfere with proper DNA replication as the body grows and new cells multiply. The DNA unzips in half like a zipper and sends off a new strand of DNA for the new cell.
When there are "mistakes" in genetic transcription, cancers can arise. You can imagine how much junk pollution or tobacco smoke introduces into the body- each particle of these chemicals can get into the "zipper" teeth and can cause one of several types of shifts in the proper order of instructions (called things like "frameshift errors", etc.). This usually results in some type of improper cell growth because the "plans" are carried out improperly- just like the construction of a home would be carried out improperly with bad blueprints written by a 5-year old child.
Antioxidants prevent these waste products from being produced in the first place and so they can prevent these DNA transcription errors from happening.
Some of these antioxidants in Blueberries have also been shown to help reduce macular degeneration in the eyes of humans- possibly reducing the risk of glaucoma in those who eat blueberries often.
Good sources of antioxidants include green tea (great), black tea, edible berries of all kinds, nuts, herbs, some mushrooms, vegetables, and edible seaweeds.
Wiki User
∙ 14y ago
Blueberries are rich in antioxidants, particularly flavonoids such as anthocyanins, which have been shown to have anti-cancer properties. These antioxidants help reduce inflammation, oxidative stress, and DNA damage in the body, which can lower the risk of cancer development. Additionally, blueberries contain other beneficial compounds that support overall health and strengthen the immune system.
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