When discussing non-communicable disease, what does the term 'risk factor' mean?

Risk Factor: something that increases in a person's chances of developing a disease.

Explanation: For example, cigarette smoking is a risk factor  for lung cancer, and obesity is a risk factor for heart disease.

A risk factor is something that increases an individual's chances of developing a disease.

Explanation:

There are numerous ways to get diseases. For example, coming within 3 feet of an infected individual will cause you to develop coronavirus. Another example is that smoking cigarettes can give you lung cancer.

a mother eats twice as much to support her growing fetus

limiting sugar intake in a mother with gestational diabetes, switching from diving to swimming.   depending on whether the patient is normal weight, over weight or gain will differ depending on that.