Physical symptoms include: Intense nicotine cravings Headaches and dizziness Fatigue and low energy Increased appetite and weight gain Nausea, constipation, or digestive discomfort Coughing and sore throat Sweating and restlessness Psychological symptoms include: Anxiety and heightened stress Irritability, frustration, and anger Depressed mood or loss of motivation Difficulty concentrating and short-term memory issues Sleep disturbances and insomnia Mood swings and emotional volatility Psychological withdrawal often outlasts physical withdrawal by several weeks
We know that at least 70 of these chemicals cause cancer
This individual brushes his teeth twice a day but does not floss or use mouthwash or interdental brushes
E-cigarettes are very limited and can be puzzling, so having the basic understanding of the mechanism of action, current regulation and health effects of this product
They are designed to help people quit smoking by providing a controlled dose of nicotine
Since smoking status was determined based on a one-time questionnaire, there may be significant recall bias and underreporting as well as changes in smoking intensity over time that are not reflected in our estimation of total PY