Our Subversive Free Radicals I

… Spontaneous mutations, cancer, and aging can be looked upon as a result of continuous “internal radiation” while these same processes produced by external radiation are largely the result of an increment in the amount of total “radiation” to which the organism is exposed. —Dr. Denham Harman, originator of the free radical theory of aging […]

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Cross-linked Molecules and Aging in Skin, Arteries, and Other Tissues IV

Skin is a visible organ which suffers cross-linking damage. However, unlike other tissues, skin is exposed to considerable ultraviolet light (UV) energy from sunlight. Ultraviolet light is a major cause of skin cross-linking. This type of damage can be prevented or retarded by staying out of sunlight or using sun-block preparations containing esters of PABA […]

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