Code availability All code used for these analyses is publicly available online ( 137
Some of the most dangerous, potentially fatal health issues caused by smoking are pneumonia, chronic bronchitis, emphysema, COPD, and lung cancer
"What we have not seen is a reduction in the use of smokeless tobacco and so thats where were focusing a lot of our prevention efforts now, is educating airmen on the hazards of smokeless tobacco." According to the Centers for Disease Control and Prevention, smokeless tobacco is just as harmful as smoking and can lead to cancer
Chest x-rays should not be offered as a screening tool
Nevertheless, the participants included in this study were referrals for sexual dysfunction, which introduces selection bias and decreases its generalizability