The US Centers for Disease Control and Prevention (CDC) states that among those who have experienced lung injuries with vaping, most patients report a history of using tetrahydrocannabinol (THC)-containing products. The CDC adds, Exclusive use of nicotine containing products has been reported by some patients with lung injury cases, and many patients with lung injury report combined use of THC- and nicotine-containing products. This was the first experimental design study that showed the damage caused by e-cigarettes say the researchers
They could also be part of a shipment lost overboard by a ships crew. Still, customs is patrolling the Noord-Holland coastline to monitor for further washups
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Inclusion criteria Inclusion criteria were: (i) age 1860 years, (ii) regular ( once per month and 3 times a week) use of cannabis and tobacco in joints for the last 6 months, (iii) self-reported (SR) ability to smoke one whole standard joint, (iv) normal or corrected-to-normal vision, (v) fluent English, (vi) SR abstinence from tobacco, cannabis, alcohol and other drugs for 12 h prior to each session, (vii) alveolar CO 6 ppm to confirm no recent smoking on each test day (Cooper & Haney, Reference Cooper and Haney2009)
