Why are scientists always trying to lower your cholesterol when cholesterol is one of the most important molecules for your body?

Your brain is made of cholesterol and it is also the precursor for all hormones including testosterone.

https://www.sciencedaily.com/r....eleases/2025/10/2510

New treatment cuts cholesterol by nearly 50%, without statins or side effects | ScienceDaily

Researchers have developed a DNA-based therapy that targets the PCSK9 gene to lower cholesterol naturally. Using polypurine hairpins, they increased cholesterol uptake by cells and reduced artery-clogging lipid levels. The results show dramatic drops