The Hallmarks of Aging: Loss of Proteostasis

Part of a series on the Hallmarks of Aging. Proteins don’t do everything in your body, but it’s fair to say they control everything. What they don’t do directly, they catalyze. Proteins handle everything from copying DNA, to stabilizing a neuron’s physical structure, to turning starch into sugar. If something goes wrong in the body,

The Hallmarks of Aging: Epigenetic Alterations

All cells in your body have the same DNA, yet they express different proteins and do different things. How does that happen?  Various alterations in your cells affect the expression of genes, without altering their contents.  This is known as epigenetics. Cells of different tissue types have different epigenetic alterations that lead them to produce…

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