Cold Sores & Fever Blisters. What Causes Cold Sores and Fever Blisters? Both cold sore and fever blister refer to the lip blisters caused by infections of the Herpes Simplex I virus (not to be confused with Herpes Simplex II, which is generally associated with genital herpes). Cold Sores are viral infections which cause recurrent groups of irritating, even painful blisters on the lips.
Lutein and zeaxanthin protect your eyes from harmful high-energy light waves like ultraviolet rays in sunlight. Studies suggest that a high level of both in eye tissue is linked with better vision, especially in dim light or where glare is a problem. Diets rich in these two nutrients may help hold off age-related eye diseases.
How to Choose Vision Supplements Learn which vitamins are important to eye health and what to look for when choosing vision supplements. How Diet and Nutrition Protect Aging Eyes Learn which foods and vitamin supplements are the best for maintaining eye health in older people. Lutein and Zeaxanthin Lutein and zeaxanthin are antioxidants found in many vegetables. Read about their effect on the eyes, with information on the best sources (and possible side effects of consuming too much). News About Eye Nutrition Latest news on vitamins and minerals that are good for your vision and eye health. Omega-3 Essential Fatty Acids: Eye Benefits Omega-3 fatty acids are important for keeping your eyes and your heart healthy. Learn the eye benefits of omega-3 fatty acids and the best omega-3 foods to include in your diet.