Pumpkin kernels contain antioxidants, including phenols and flavonoids, phenolic compounds that help ward off cell-damaging compounds in the body, thereby preventing aging and disease. Their anti-inflammatory, antibacterial and anti-cancer effects are also well documented, and flavonoids have been linked to a wide range of health-promoting effects, including the prevention of cancer, arteriosclerosis and Alzheimer's disease. Like phenols, flavonoids also fight compounds that damage healthy cells and have strong anti-inflammatory effects