Additional Information: Smoking Doubles the Mortality Risk in COVID-19: A Meta-Analysis of Recent Reports and Potential Mechanisms (Added November 20, 2020) COVID in the U.S.: Latest Map and Case Count (Added November 5, 2020) COVID-19 transmission through aerosols (Added August 28, 2020) COVID-19, TOBACCO & VAPING INFORMATION from the Nicotine and Cannabis Policy Center at UC Merced (Added August 28, 2020) Children, COVID-19 and Secondhand Smoke graphic (Added August 28, 2020) 1 in 3 young adults vulnerable to severe Covid-19 and smoking plays a big part, research finds (Added July 15, 2020) Patients with underlying conditions were 12 times as likely to die of covid-19 as otherwise healthy people, CDC finds (Added July 15, 2020) WHO Statement: Tobacco Use and COVID-19 (Added 5/13/2020) Second Open Letter About COVID-19 and LGBTQ+ Communities (Added 4/24/2020) Almost 90% of COVID-19 Admissions Involve Comorbidities (Added 4/16/2020) *This post was originally published on March 18, 2020, and is being updated as new information and resources become available.

Cigarette smoking causes most cases of lung cancer
for instance, five studies reported reductions in blood pressure and heart rate among individuals who switched from smoking to using e-cigarettes, without immediate adverse effects on ventricular musculature or risk of acute myocardial infarction ( After carefully review and analyzed the literature, we found that some experts suggest that many of the harmful effects of e-cigarettes may be attributed to nicotine due to its direct impact and high addictiveness ( Only five studies have sought to evaluate the long-term effects of e-cigarettes over periods ranging from 1 month to 3.5 years
Cannabis smoking and lung cancer risk: pooled analysis in the International Lung Cancer Consortium