If it’s their first overindulgence, some may freak out a bit. This is especially true with sativa strains. Consuming too much of an indica will likely result in the munchies, couchlock, and eventually sleep. The cerebral high of a strong sativa, however, when it goes off the rails, can produce intense fear and anxiety bordering on panic, runaway thoughts, hyperactivity, and an inability to relax. Read more here.