3,4,9 Considering specific complications related to smoking, a study of data from 391,000 patients from the National Surgical Quality Improvement Program Database (NSQIP) showed that smoking status was independently associated with an increased risk of pneumonia (Odds Ratio 1.80, Confidence Interval 1.11, 2.92), unplanned intubation (OR 1.57, CI 1.10, 2.25) and requirement for ventilation for more than 48 hours (OR 1.73, CI 1.18, 2.53)
However, our point estimate for IHD among current SLT users in the NLMS data set is 1.25, which is almost identical to the estimate of 1.24 reported by Timberlake et al
You must come home to Mummy
This is, objectively, one of the more frustrating regulations in modern air travel
It may require some real digging and not just a morning of quick Google Scholar searches
Other than the two bent examples described previously, Ive found one example with a canted bowl which looked very similar to an old clay tavern pipe