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A recently published study finds that so-called phantom odor perception is much more common than you might think

Daniel Shepshelovich, MD, who led the research, says, We want to develop a more realistic and cost-effective strategy targeting a particularly high-risk population. Shepshelovich and his research team examined the files of 381 admissions of heavy smokers with CAP at Rabin Medical Center between 2007 and 2011

However, it may contain more or less than 20 cigarettes, depending on the region/country being sold in

Some humidors also have a hygrometer, so you can easily tell what the conditions are inside the humidor