Addiction and neural ageing
Addiction and neural ageing

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Addiction and neural ageing

4.4 Mechanisms that affect ageing of cells

So what are the causes of cellular ageing? A variety of causal mechanisms has been proposed, as you shall see. Many of these mechanisms of ageing are intrinsic, i.e. a result of normal cellular activity; but some may be extrinsic – a result of environmental or lifestyle factors. Any mechanisms that affect the ageing of cells are likely to affect the ageing of neurons and glia, the cellular components of the nervous system.

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