Zombie cell research: dawn of the living dead

Written by Jenny Straiton

Researchers find that removal of ‘zombie’ cells from the brain can reduce anxiety. Senescent, or zombie, cells are cells that no longer replicate and lie semidormant in various regions of the body, impairing regular function. The presence of these cells has been linked to aging, osteoporosis and diabetes. Though the link between obesity and anxiety has been identified, the exact mechanism behind the association remains unclear. In a recent study, researchers from the Mayo Clinic (MN, USA) and the University of Newcastle (UK) have discovered that obese mice develop more fat cells in the region of the brain that regulates...

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