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Interestingly, the existence of harmful concentrations of diethylene glycol, a known cytotoxic agent, in e-liquid aerosols is contentious with some studies detecting its presence [4, 68, 7072], and others finding low subtoxic concentrations [73, 74]

Postsurgical abdominal pain or discomfort is common in the days to weeks following the event, but typically steadily dissipates with time

Stomach cancer [edit] Stomach cancer is the fourth most common cancer [990,000 cases (7.8%), 738,000 deaths (9.7%)]

In behavioral intervention efforts, Hall and colleagues determined that mood management provided a differentially favorable effect in increasing abstinence among those whose medical history included a bout with depression, and other investigators have employed their methods with some success with smokers who have a history of depression