Vigorous Exercise Tied to Macular Degeneration in Men

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A completely new study suggests in which vigorous physical activity may increase the risk for vision loss, a finding in which has surprised along with puzzled researchers.

Using questionnaires, Korean researchers evaluated physical activity among 211,960 men along with women ages 45 to 79 in 2002 along with 2003. Then they tracked diagnoses of age-related macular degeneration, via 2009 to 2013. Macular degeneration, the progressive deterioration of the central area of the retina, is actually the leading cause of vision loss inside elderly.

They found in which exercising vigorously several or more days a week was associated which has a 54 percent increased risk of macular degeneration in men. They did not find the association in women.

The study, in JAMA Ophthalmology, controlled for more than 40 variables, including age, medical history, body mass index, prescription drug use along with others.

The authors write in which excessive exercise might affect the eye’s choroid, a sensitive vascular membrane in which surrounds the retina, however “epidemiologic studies cannot provide any evidence for the mechanism or pathology.”

The authors acknowledge in which the study depends partly on self-reports, which are not always reliable, along with in which in which is actually an observational study in which does not prove cause along with effect.

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