How Cholesterol Works

In a 2025 study, reported again in October 2026, researchers described how a statin grips a calcium channel in muscle, a possible explanation for the muscle aches some users feel. To understand why more than 200 million people take these drugs, this film explains cholesterol itself: what the molecule is and why every cell needs it, how lipoproteins like LDL and HDL carry it, the LDL receptor that won a Nobel Prize, how plaque builds up in arteries, how a mould led to the first statin, and what we know so far about the side effect. Education only, not medical advice.

The molecule we cannot live without

And the drugs that more than 200 million people take against it.

A molecule we need

Four rings, a tail, and a job in every cell.

Boats in the blood

Fat and water do not mix.

When it builds up

A slow injury inside an artery.

A mould and an enzyme

Six thousand fungi, one breakthrough.

The side effect

Three labs, three clues.

The right amount, in the right place

A molecule we need, carried with care.

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