This document discusses the need for non-invasive cholesterol measurement. It notes that heart attacks and strokes account for 30% of deaths from disease. Cholesterol is one of the key factors contributing to vascular diseases but it is difficult to track without invasive blood tests. A non-invasive cholesterol monitor would allow more frequent monitoring of cholesterol levels, similar to other health metrics like weight, blood pressure, exercise and blood sugar. The document provides information on desirable cholesterol scores and their relationship to heart disease risk and outlines some studies showing correlations between cholesterol levels and ECG measurements as well as cardiac membrane potentials.