One of the best benefits Goji berries, is that they contain high levels of antioxidants which are extremely effective in fighting cancer. When you eat goji berries, the antioxidants seek out and remove cancer-causing free radicals in the blood. Another benefit that the antioxidants provide is that they lower bad cholesterol levels and protect the heart from disease. Goji berries also contain fiber and higher fiber consumption has been linked with a lower risk of high cholesterol and heart attack. Slowing the aging process can be achieved by eating certain types of foods and the antioxidants contained within goji berries have been linked with wrinkle reduction and slower aging. Also, longevity may be increased because of the disease and illness prevention that naturally occurs when antioxidants are consumed. Goji berries contain vitamin A, zeaxanthin, and beta-carotene, all of which have been associated with healthier eyes. These compounds protect your eyesight, and they also prevent certain eye conditions such as macular degeneration. Regular consumption of goji berries can help to improve sleep. If you are suffering from insomnia, try eating goji berries on a daily basis and your sleep patterns will likely improve. Research has found that goji berries may relieve stress and promote a sense of calm, happiness, and well-being by reducing the amount of cortisol released in the body during periods of stress.