Walnut kernels are found to have many cancer fighting properties. They may help reduce not only the risk of prostate cancer but breast cancer as well. Overall the whole walnut diet reduces prostate cancer growth by 30 to 40 percent. Walnut kernels are a heart friendly food. They contain amino acids I-arginine, which offers vascular benefits to people with heart diseases, or those who are at risk of cardiac problems. Walnut kernels contain omega-3 fat alpha-linolenic acid (ALA), which is anti inflammatory and may prevent formation of pathological blood clots. Walnut kernels consumption supports healthful cholesterol levels. Many researches have found that eating four walnuts a day lowers cholesterol and lowers risk of sudden cardiac arrests. Walnut kernels are believed to be beneficial to maintain your ideal weight over time. Walnut kernels have positive impact on male fertility. Adding 75 gms of walnut in the diet daily improves sperm quality, vitality, motility and morphology. Walnut kernels are rich in neuroprotective compounds including vitamin E, folate, melatonin, omega-3 fats, and antioxidants.Studies show walnut consumption supports brain health, including increased inferential reasoning in young adults.