Insufficient Physical Activity Accelerates Biological Ageing? (BBC News / American Journal of Epidemiology)

Summary

Californian researchers have discovered indications that older women with more sedentary lifestyles may have faster-ageing cells (as measured by shortened telomere length).

“ …higher sedentary time may be associated with shorter LTL [leukocyte telomere length] among less physically active women”.

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Reference

Sedentary lifestyle in older women ‘ages body cells’. London: BBC Health News, January 19^th 2017.

This relates to:

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Reference

Shadyab, AH. Macera, CA. [and] Shaffer, RA. [et al] (2016). Associations of accelerometer-measured and self-reported sedentary time with leukocyte telomere length in older women. American Journal of Epidemiology. January 18^th 2017 / August 16^th 2016, pp.172-184. [Epub ahead of print].

As usual, NHS Choices’ Behind the Headlines manages to put things into perspective:

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Reference

Sitting down all day ‘may accelerate DNA ageing’. London: NHS Choices; Behind the Headlines, January 19^th 2017.