Health
Molecules in the blood of older people promote cancer spread – Nature.com
An aged-related metabolite linked to metastasis.
As we get older, the risk that we will develop cancer increases, because we accumulate genetic mutations and are continually exposed to cancer-causing substances1. Most cancer-causing agents are found in the environment, but some are produced by our own bodies. Writing in Nature, Gomes et al.2 report that methylmalonic acid (MMA) a by-product of protein and fat digestion can accumulate in the blood with age, and might promote the spread of tumours.
Read the paper: Age-induced accumulation of me…
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