Master the core science of how the body works and why it ages — the base every other course builds on.
What we're really after, and why the body breaks down at all.
Life's basic unit — what cells are, how they're powered, and how they age.
Your instructions — how DNA is read, switched on and off, and worn down.
The ways cells falter over time — zombie cells and failing cleanup.
One framework that unifies everything you've learned.