These days many college stores are joining the fight against student anxiety. Searching for ways to offer students more than just a place to shop, collegiate retailers have found numerous innovative strategies — from hosting de-stress events to bringing in therapy dogs — for reducing stress among college-goers. Those who invest in promoting student well-being know it’s a worthwhile effort: students’ outsized anxiety not only precipitates other health concerns, it interferes with academic success, driving some out of school altogether. Most higher education institutions are aware that anxiety is a problem. What’s less obvious is why.