One risk factor that can be changed is

A) age.
B) excess body weight.
C) height.
D) genes.

Excess Body Weight

Carrying more body fat than is optimally healthy, often defined by a Body Mass Index (BMI) over 25.

Risk Factor

An aspect or variable associated with an increased likelihood of suffering from a particular disease, condition, or injury.

Genes

The basic physical and functional units of heredity, made up of DNA, which determine specific characteristics by encoding proteins.