Smoking is still the primary, causal risk factor leading to COPD, but environmental exposures, such as exposure to biomass fuel combustion, air pollution, and occupational exposures, and poor lung development (both pre- and post-natal) are increasingly recognized as important causes of COPD [3, 12]
ERS Monograph: Supporting Tobacco Cessation
What I didn't expect when I first looked into this category is how much variation there is in output quality between machines that look nearly identical on the product page
Thermoelectric cooling is incredibly effective, but it does depend on the ambient temperature in which the cooler is operating
Sturdy Construction: Expert craftsmanship ensures a consistent burn and smooth draw, allowing for an uninterrupted smoking experience
& Khodzher, T