Monday, June 14, 2010

Early Stages of Age-Related Macular Degeneration Associated With Smoking, Cholesterol Levels

http://www.sciencedaily.com/releases/2010/06/100614161403.htm

ScienceDaily (June 14, 2010) — Early-stage age-related macular degeneration appears to be related to modifiable risk factors, including smoking and low levels of high-density lipoprotein (HDL or "good" cholesterol), according to a report in the June issue of Archives of Ophthalmology, one of the JAMA/Archives journals. The condition appears uncommon before age 55 but the risk increases with age thereafter.

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Besides age, other factors associated with increased risk for AMD included being male, smoking more heavily for a longer period of time, and being hearing impaired, whereas having higher levels of HDL cholesterol was associated with reduced risk.

Factors not associated with early AMD included blood pressure, body mass index, physical activity level, history of heavy drinking, white blood cell count or total cholesterol level.

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