We were very interested in determining if there are differences in the ability of the two kinds of human pigments to activate oxygen. Activating oxygen can produce compounds called radicals that put oxidative stress on cells. Such stress could ultimately lead to cancer and other diseases.  -   John Simon     Quotes
We were very interested in determining if there are differences in the ability of the two kinds of human pigments to activate oxygen. Activating oxygen can produce compounds called radicals that put oxidative stress on cells. Such stress could ultimately lead to cancer and other diseases. John Simon
 Ability