Airflow is very important to happy coils and cotton, otherwise the liquid continues to heat up and would eventually burn, leaving your cotton permanently scarred with the faint burnt taste of that juice
If you smoke, you are twice as likely to have a stroke
If you are switching from freebase nicotine to salts, begin with a lower strength to gauge your tolerance
E-cigarettes: an evidence update
Every single sample I smoked however seemed to have the exact same section that didnt want to burn, requiring almost the exact same number of touch ups across all three
US Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health