“…Waterpipe smoking (also known as hookah, shisha, and narghileh) is increasing in popularity in the United States, with the highest prevalence rates reported among college students (Maziak et al, 2015; Salloum et al, 2014). Waterpipe smoke contains many of the same toxicants as cigarette smoke (Shihadeh et al, 2015), and waterpipe smoking has been associated with respiratory and cardiovascular illnesses, periodontal disease, and obstetric and perinatal complications (Akl et al, 2010; El-Zaatari et al, 2015).…”