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v1xm4 TIL why the cut apple turns brown. It turns out that the enzymes and polyphenols in the apple react with oxygen; now some apples on the market will not change color because they have been genetically modified.
GYa9G TIL why older people are more likely to develop cancer, MMA is an important factor in inducing cancer progression. The elderly's gastrointestinal dysfunction leads to vitamin B12 deficiency and insufficient vitamin B12 to react with MMA, leading to the accumulation of MMA.
awb8b TIL that Drinking water with meals has no effect on the stomach