Mashable - These vibrating wearables claim it takes only 30 seconds to relieve your stress

TouchPoints is a pair of pulsating wearables that use stimulating vibrations to help
diffuse stress.
Bilateral Alternating Stimulation Tactile (BLAST) has been used in several
studies to treat stress disorders. The stimulation prompts the brain to reassign its response to stress from an impulsive "fight or flight" reaction to a logical, rational reasoning.