The researchers, from Johns Hopkins University in Baltimore, Maryland, found that from 2018 to 2020, the use of these devices fell by 7 percent overall, and by 17 percent among 18- to 20-year-olds in particular.

It's a reversal of a trend of increasing e-cigarette use, which many officials have warned about. President Joe Biden even prioritized restricting these devices during the first half of his presidency.

Regulators have cracked down on the devices, which have been largely blamed for the recent rise in teen nicotine use. This study does not include data on minors.

The researchers found that overall e-cigarette use declined in 2020 compared to 2018, with the 18- to 20-year-old age group driving e-cigarette use.

The researchers, who published their findings Friday in JAMA Network Open, collected data from the Centers for Disease Control and Prevention's Behavioral Risk Factor Surveillance System.

A total of 994,307 respondents to the survey answered whether they were users of these devices and how often they vaped.

In 2017, 4.4% of U.S. adults reported using e-cigarettes. That number climbed 25% to 5.5% in 2018.

The researchers blamed flavored e-cigarettes for the rise, noting that it was greatest among young adults.

“This increase was mainly observed in younger groups, which is consistent with flavored products and high-nicotine-concentration pod devices (modular vaping devices with refillable or replaceable nicotine cartridges or cartridges, such as the JUUL brand). equipment) availability," they wrote in the study.

Data for 2019 was not collected. Overall e-cigarette use fell to 5.1% in 2020, down 7% from two years ago.

The most dramatic shifts occurred in people between the ages of 18 and 20 -- the youngest group in the study.

Nearly one in five, or 19%, of the age group reported to the study that they had used e-cigarettes in the past year in 2018.

In 2020, that number dropped by 17% to 15.6%, a significant decline in just two years.

However, in the 21 to 24 age group, the number of people using these devices has increased dramatically.

Despite the decline, this is still reportedly the age group with the most widespread use of the controversial device.

Still, the researchers believe this suggests some restrictions on device access are having an impact.

They write: A modest reduction in e-cigarette use, especially among adults under 21, may be an early sign of the consequences of several recently implemented federal and state policies.

The team highlighted a shift in the legal age for purchasing tobacco products from 18 to 21 in December 2019.

Public awareness campaigns about the dangers of e-cigarettes and nicotine addiction in general may also have played a role.

The debate around e-cigarettes has intensified in recent months after the FDA banned flavored nicotine pods in February 2020.

In order to stay on the shelf, companies must apply separately to enter the market.

Juul Labs, whose product became the face of a dangerous underage smoking trend after its popularity in the 2010s, was rejected by the FDA last month.

It has appealed the decision, and in the meantime received a suspension, allowing it to continue selling in the United States.

"Last year's ban will help save lives, especially those disproportionately affected by these deadly products," the FDA wrote in a statement last year.

"Through these actions, the FDA will help significantly reduce teen initiation and increase opportunities for smoking cessation."

To get around these orders, many companies have started using synthetic forms of the drugs in their devices to circumvent regulators. The loophole was closed in April.

The U.S. Centers for Disease Control and Prevention (CDC) also published a study in March that found that more than 2.5 million U.S. students will have used some type of tobacco product in 2021—a definition that includes nicotine devices that don’t disperse tobacco.

Officials report that 80 percent of tobacco use can be attributed to single-use e-cigarettes and pod products — such as Juul.

The CDC reports that by 2021, more than 2.5 million U.S. students will be "current" users of tobacco products. This includes 13% of high school students and 4% of middle school students

Disposable e-cigarettes and refillable cartridges account for more than 80% of U.S. youth tobacco product use

In the study, approximately 2.06 million high school students (13 percent of the study population) and 4 percent of middle school students (470,000 participants) reported current tobacco use.

By comparison, the CDC reported in 2020 that 8% of high school students and 3% of middle school students are current tobacco users.

Students were also asked if they had ever used tobacco products, with 34 percent of high school students and 11 percent of middle school students reporting using at least one tobacco product.

According to the CDC, vaping devices were the main reason for the increase in nicotine and tobacco use over the past year.

Of the students who reported being current smokers, 54% used a single-use e-cigarette, and 29% reported using some sort of refillable device—similar to Juul.

Between them, devices that allow teens to use nicotine easily and significantly account for more than 80 percent of total student tobacco use.

Nicotine does not share many of the same negative effects and cancer risks as tobacco, but it does increase the risk of high blood pressure, constricted arteries, and increased heart rate.

The use of e-cigarettes among school-aged children can be attributed to their taste, and the devices are similar to USB sticks, allowing children to easily carry e-cigarettes around school without getting caught.

Some states and cities have banned the sale of flavored nicotine products, but results have been mixed on whether they've been successful in preventing teens from developing the habit.

Opponents of the bans say they will push teens to use more harmful tobacco products, such as cigarettes, instead of less risky nicotine.

"By attacking safer nicotine products, such as e-cigarettes, we will inadvertently encourage high school students to smoke, and that would be a dire outcome," Mark Oates, director of consumer advocacy group We Vape, said in a statement on March 3. month indicated.

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