Yes,esp. if continue: It would be very unusual for a 17 yo to develop cancer due to smoking, but every puff you take increases your risk and as you continue over time that risk will only increase. If you stop, over time your risk will return to normal. Why take any chances? Stop now as it will only get harder to stop over time.See http://www.Cdc.Gov/tobacco/data_statistics/fact_sheets/health_effects/effects_cig_smoking/.
Answered 9/28/2016
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