Question

which factors most influence whether a person will develop alzheimer’s disease?
the person’s environment and social interaction
the person’s genetics and age
the person’s gender and salt intake
the person’s salt intake and stress level

Explanation:

Alzheimer's disease is strongly linked to genetics (certain genes increase risk) and age (risk rises with advancing age). Environmental and social interaction, gender, salt intake, or stress level/salt intake are not the primary influencing factors. So the option about genetics and age is correct.

Answer:

the person's genetics and age