Sentences with phrase «become damaged by free radicals»

Not exact matches

One key difference between telomeres and cassette leaders is that leaders stay intact as long as the tape does, whereas telomeres become ever - so - slightly shorter every time the cell replicates itself or is hit by damaging agents like free radicals.

Collagen (a fibrous structural protein in our skin's middle layer) becomes damaged by factors like the sun, cigarette smoke, pollution, free radicals and even hormonal fluctuations.

They are also very rich in vitamin C that helps to protect cholesterol from becoming oxidized by free radicals, thus preventing damage to blood vessels.