Here, we want to make some additions. Therefore, analysts look also for supplemental support for causation. Research on this question has received only meagre attention, so far. Chapter 44 also discusses some experimental animal evidence. One observation is that atherosclerotic plaques are localized, and occur adjacent to normal tissue.
People have patches of atherosclerosis.
Plaques do not involve the entire vessel. A positive correlation would be required, in order to make medical radiation appear more important than it really is. Various possibilities, for this type of confounding variable in the RAMP analysis, were explored in considerable detail in Chapter 68. This type of confounding factor, in the RAMP analysis, was explored in considerable detail in Chapter 48. Our discussion can be examined there.