These substances may even worsen allergic rhinitis and contact dermatitis
The study found, however, that repeated exposures to the same warning labels could cause them to eventually lose their effectiveness

(Massachusetts is one such state, with gross cannabis sales last year at a record $1.6 billion-plus.) In part, that rise in use may be due to the ease of using electric cartridges and devices to consume cannabis, Lally says: Students tell me they feel the electric devices are more addicting because they are always right there, so quick and easy to use, and hard to take a break from. Cannabis does have medicinal value in some cases, such as decreasing nausea from chemotherapy or reducing elevated eye pressure, he adds, but the evidence is clear that frequent cannabis use worsens mental health. (Infrequent use is not a concern, Lally says.) He and Sarah Voorhees (SPH13), SHS assistant director of substance use, recovery, and sexual well-being, spoke with BU Today about the symptoms and dangers of excessive THC consumption and their advice for students who are using cannabis
Make a pledge to never start smoking or using spit tobacco with them