Answer:

tobacco smoke second hand tobacco smoke other indoor air pollutants outdoor air pollutants allergens occupational agents.

Dust in the air can clog your pores and increase the bacteria on your face, leading to spots or acne.

Obesity, lack of physical exercise, and tobacco consumption

Alzheimer's disease, and other dementias, Parkinson's disease, Huntington's disease, amyotrophic lateral sclerosis, multiple sclerosis, epilepsy, stroke, brain tumors, brain trauma,

Explanation: