NICE issues new guidelines on statins (OR Statins in the drinking water?!)

Let's start with a hypothetical conversation...
Government: "We know that people with higher incomes are more at risk of being mugged."
You: "Have you got any data on the income of people who got mugged?"
Government: "We do actually. We did a really clever study where we gathered information from 231,986 people arriving at 541 police stations, having been mugged. We managed to get income data from...