Virtually all the diseases and malfunctions in the body have direct causes. Each person has particular genetic weaknesses and strengths that play a major role in the cause of disease. Most diseases occur if, and only if, susceptible people make lifestyle choices that trigger the expression of that genetic tendency.
The article link below lists items that can be used to proactively avoid the conditions that encourage disease, in a person who has the propensity.
Everyone should feel empowered to change the course of their medical history which otherwise may seem inevitable.