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What Happens to Your Cells as You Age

Aging is not one single process. Some biological functions decline, while other pressures accumulate. Here is what changes inside your cells and how lifestyle can support healthier aging.

How to Raise NAD⁺ Levels

NAD⁺ helps power cellular energy and steady focus. Levels naturally decline with age, stress, and disrupted rhythms—so days feel heavier even when you’re doing the right things.