Neurodegenerative diseases are a class of conditions associated with the progressive loss of neurons in the brain caused by several mechanisms, including toxicity and oxygen deficiency.
Most common disease associated with neurodegenerative diseases is dementia, a cluster of conditions included Parkinson’s, Alzheimer’s, and Huntington’s disease, leading to a negative influence the body's functioning, including balance, movement, talking, breathing, and heart function.
There is no single cause of the progressive death of brain neurons. Epidemiologically, genetic preposition, and medical conditions, such as alcoholism, brain cancer or a stroke in the brain are some of the most common prevalent factors found in patients with neurological diseases.
Age-related macular degeneration is a medical condition that causes irreversible blurring of the central vision in people over age 60.
The elderly at the early stage of age-related macular degeneration is asymptomatic. However, some patients may experience symptoms of slightly blurred central vision. Most cases of the early stage of AMD were diagnosed during routine eye health examinations.
Over time, age-related macular degeneration may affect the vision including the reading as the blurred area increase in size.
Advanced age-related macular degeneration has been found to induce irreversible blindness and visual impairment, according to epidemiological studies.
According to statistics, approximately 11 million people in the US have some form of age-related macular degeneration. The risk of getting advanced age-related macular degeneration increases from 2% for those ages 50-59 to nearly 30% for those over the age of 75.
Age-related macular degeneration can be classified into 2 types
* The common AMD is the dry form caused by the gradual degeneration of the central retinal tissues, affecting 90% of patient s with AMD. Some patients with the dry form of AMD have been found to develop into the wet form over time.
* The wet form of AMD is caused by the breaking of the capillary under the macula, accounting for only 10% of AMD.
Tocopherols are phytochemicals of which many have vitamin E activity, belonging to the group of Lipids, found abundantly in butter, egg yolk, milk fat, some vegetable, and seed or nut oils, etc.
In finding a potential phytochemical for the treatment of degenerative diseases, researchers compared the effects of dietary n-3 Fatty Acid, α-Tocopherol, Zinc, vitamin D, vitamin C, and β-carotene on age-related macular degeneration.
According to the results of a brief-type self-administered questionnaire of the case-control study that reports the association between nutrient intake and neovascular age-related macular degeneration (AMD) from 161 neovascular AMD cases from two university hospitals and 369 population-based control subjects in Japan,
* Low intakes of n-3 fatty acid, α-tocopherol, zinc, vitamin D, vitamin C, and β-carotene were associated with neovascular AMD.
In other words, low levels of serum of tocopherols were associated with increased risk of AMD.
* There was no association between retinol or cryptoxanthin intake and neovascular AMD.
These results were adjusted based on smoking history, age, sex, chronic disease history, supplement use, and alcohol consumption
Taken altogether, tocopherols may be considered an adjunct therapy in the treatment of AMD, pending to the confirmation of the larger sample size and multicenter human study.
Intake of tocopherols in the form of supplements should be taken with extreme care to prevent overdose acute liver toxicity.
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Author Biography
Kyle J. Norton (Scholar, Master of Nutrition, All right reserved)
Health article writer and researcher; Over 10.000 articles and research papers have been written and published online, including worldwide health, ezine articles, article base, health blogs, self-growth, best before it's news, the Karate GB Daily, etc.,.
Named TOP 50 MEDICAL ESSAYS FOR ARTISTS & AUTHORS TO READ by Disilgold.com Named 50 of the best health Tweeters Canada - Huffington Post
Nominated for shorty award over last 4 years
Some articles have been used as references in medical research, such as international journal Pharma and Bioscience, ISSN 0975-6299.
Sources
(1) Dietary n-3 Fatty Acid, α-Tocopherol, Zinc, vitamin D, vitamin C, and β-carotene are Associated with Age-Related Macular Degeneration in Japan by Aoki A1,2, Inoue M3, Nguyen E4, Obata R1, Kadonosono K3, Shinkai S2, Hashimoto H5, Sasaki S4, Yanagi Y. (PubMed)
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