Smoking Marijuana With A Water Bong Doesn’t Effectively Filter Compounds From Smoke, Study Suggests

For decades, marijuana consumers have debated whether using a bong, where smoke is pulled through water before inhalation, is any safer than inhaling smoke from a joint. Conventional wisdom has long held that water filtration makes for a cleaner, less harmful consumption experience. But a new study, by authors affiliated with the University of Wisconsin-Madison…...