yes because it inhibits the body and so the the cannot function at the full potential
An intrisic risk factor is something you choose to do that may cause injury
don't play sports
smoking
low blood circulation
One major risk factor is smoking cigarettes
Ultimately, heredity (genetics) is the greatest risk factor of them all. However, the greatest behavioral risk factor is smoking.
It is called intrinsic factor, which enables the absorption of B12. Intrinsic factor is found in the parietal cells (mucosa cells) of the stomach lining.
smoking that will affect the lungs
The vitamin B12 is a very important nutrient; it lowers risk of stroke, heart disease, cancer, Parkinson's, and Alzheimer's disease. The vitamin begins to absorb in the mouth, in contrast to most nutrients.
SMOKING!
Smoking, Obesity and Alcohol are the big ones.
In 99% cases it is, as a major risk factor is cigarette smoking.