Answer:
Your answer is skeletal,
Explanation:
It is not related to preventing disease at all and provides no help for it unlike the other options.
Factors that increase a woman's risk for breast cancer surely do not include maintaining a healthy weight and exercising regularly nor eating a low fat diet.
A risk factors that has been consistently shown, however, in research is that having a family record of this disease; Genetic factors, and being overweight or rather obese, both seem to increase the risk of developing breast cancer.
That is not a question but if you have one
It's know as chemical equilibrium