Tuesday, February 1, 2011

Jing Luo, negative energy & nutrients (19)

Lutein Lutein is one form of carotenoid found in dark green leafy vegetables such as spinach, plus various fruits and corn. Egg yolks are also sources of lutein. Our body cannot produce Lutein but has to rely on food. Lutein provides nutritional support to our eyes and skin. Studies suggest that a mixture of nutrients, including lutein, may provide supplemental antioxidant capacity to the skin, helping counteract free radical damage. Lutein may also help prevent or slow down atherosclerosis, the thickening of arteries, which is a major risk for cardiovascular disease. Lutein is an antioxidant that appears to quench or reduce harmful free radicals in various parts of the body. Free radicals can play a role in a variety of chronic diseases. Lutein is said to have help in reducing the risk of Age Related Macular Degeneration (AMD). AMD occurs when the fragile center of the retina–the macula–deteriorates due to aging and damage by free radical. The macula is a small area of the retina responsible for central vision, and high visual acuity. Poor macular health can cause oxidative stress within the retina, leading to a loss of central vision. Lutein also filters the high-energy, blue wavelengths of light from the visible-light spectrum by as much as 90%. Blue light, in both indoor lighting and sunlight, is believed to induce oxidative stress and possible free-radical damage in human organs exposed to light, such as the eyes and skin.

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