What are the health risks of health risk of high concentrations of air pollution and what can be done on an individual basis to prevent or reduce problems associated with air pollution/?

Explain why you would or would not have a lasik surgery if you wore contacts or glasses.describe how public opinions related to this surgery have changed over the years.in your own words, explain this surgery as though you are explaining it to someone who has no knowledge of the procedure.

Which symptoms is a short term effect of tobacco use

What organs or body system is affected by ebola