A patient presents to the clinic with a report of fatigue and difficulty concentrating. Which additional statement made by the patient would alert the healthcare provider to possible marijuana use?

Marijuana use can cause corneal vasodilation and conjunctivitis. THC (tetrahydrocannabinol), the active ingredient in marijuana, affects thinking, memory, appetite, and coordination. It's more likely that marijuana would increase appetite, decrease anxiety, and promote sleep. Hallucinogens such as LSD (lysergic acid diethylamide) can cause nightmares and flashbacks.