Many foods are often advertised for their antioxidant properties. Antioxidants counteract what are known as reactive oxygen species (ROS), chemically reactive molecules that can disrupt the normal functions of lipids, proteins, and DNA in human cells. Accumulation of ROS contributes to the development of age-related diseases, including cancer, emphasizing the importance of keeping the oxidant/antioxidant balance in check.
Selenoproteins play key role in combating age-related cell damage, study finds
