Larger GHWs (e.g., 60% coverage compared to 30%) have been found to elicit stronger inhibitory responses
In 2018, NAP published a review which states there is insufficient or no available evidence that vaping is associated with changes in the following functions:[21] Long-term changes in heart rate Changes in blood pressure Altered cardiac function Respiratory disease For pregnant women fetal development But since 2018, reports from the CDC has associated vaping with respiratory disease
The American Lung Association estimates that there are 600 ingredients in a single cigarette and when one is burning, 7,000 highly toxic chemicals are created

Those under 21 years are prohibited from buying alternative tobacco products, including e-cigarettes.6,7,9 Distribution of free vapor products to persons under age 21 or within 500 feet of places when they are primarily in use by minors is prohibited.9 Retailers making delivery sale of vapor products must use a method that requires the signature of a person at least 21 years of age before the package is released.9 Local tobacco laws Iowa City prohibits the use of tobacco products, including electronic cigarettes and chewing tobacco, throughout all parks except in privately owned vehicles.10 Quitting statistics and benefits Quitting smoking in Iowa The CDC estimates 42.4% of daily adult smokers in Iowa quit smoking for one or more days in 2019.3 In 2014, the Affordable Care Act required Medicaid programs cover all quit medications.7** Iowas state quit line invests $1.22 per smoker, compared with the national median of $2.37.7 Iowa does not have a private insurance mandate provision for quitting tobacco.7 Notes and references Notes and references Updated June 2023 *National and state-level prevalence numbers reflect the most recent data available
