Ten Thousand Repairs Before Breakfast
Every cell in your body sustains somewhere between 10,000 and 100,000 DNA damage events each day. Ultraviolet light, free radicals from metabolism, even the ordinary chemistry of breathing — all of it chips away at the microscopic code that makes you you. Left unchecked, that damage would cascade into mutation, disease, and death within hours.
But it doesn't.
In 2015, the Nobel Prize in Chemistry honored biochemist Tomas Lindahl for discovering that our cells contain an elegant system of molecular repair machines — enzymes that patrol the genome, detect errors, and correct them with stunning accuracy. Lindahl began his research in the 1970s nearly on a hunch, asking why DNA could survive at all given how chemically fragile it is. What he found was a hidden repair network operating silently, billions of times a day, across every cell in your body.
You have never thought about this. You have never managed it. You simply woke up this morning and it had already happened ten thousand times while you slept.
There is a profound sermon in that. The Psalmist wrote, "He who keeps you will not slumber" (Psalm 121:3). Trust is not always an act of white-knuckled confidence. Sometimes it is simply resting while the One who designed you keeps working. Before you open your eyes, before you form a single prayer, the God who built repair into the chemistry of your cells has already been at work. You were sustained by a faithfulness you never had to manage.
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