To prevent allergic reactions.
Answer: I believe that it is not safe because if you were to say crush it up and snort it and you thought that is wasn't working so you did another and then maybe another then you might be taking more then what you where supposed to take in one setting.
Hope it makes since.
Answer: The health risks of high concentrations of air pollution are lung diseases, respiratory illnesses, and difficulty breathing. Individuals can avoid going outside.
Explanation:
Lung cancer comes from smoke, and many lung diseases come from lung buildup. When there are high air pollution levels, the government always says to avoid going outside.
