The impact of exercise on DNA and telomere length

Does exercise protect DNA against signs of aging?

Telomeres are a hot topic in current research for aging and biological changes. Telomeres can be figuratively thought of as the 'caps' at the end of a shoe lace (with the lacing representing DNA chromosomes). Telomeres protect chromosomes from degeneration, but it is known that this protective length decreases with age. This article aims to explore various types of physical activity and its impacts on telomere length, and how exercise can help resist telomere shortening through the natural aging process.

The positive effects of exercise are widely known to be biologically beneficial to the human body. While the reviewed research in this literature review is not fully conclusive in noting a direct correlation of one specific type and duration of exercise, it lends to the hypothesis that exercise does have a positive and potentially protectant factor on telomeres, and thus on chromosomal degeneration. 

> From: Arsenis et al., Oncotarget (2017-06-26 06:58:05) 16726 (Epub ahead of print). All rights reserved to Oncotarget. Click here for the online summary.

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