The damage to the lungs from smoking marijuana, in which abnormal, large air sacs called bullae form and can rupture, may be the reason marijuana smokers are at risk for developing a pneumothorax, which is when air gets into the space outside the lungs and causes a collapsed lung
Reference Cigarette Program
The ANSI Z535 Committee develops a set of standards for the design, application, and use of signs, colors and symbols intended to identify and warn against specific hazards and for other accident prevention purposes
Ethics declarations Competing interests P.A.J
Note, it retails for $65 a cigar
"The Artist Dolly Parton Loved to Listen to Growing up Because She Sang About 'Defending the Women'"