yes it can!! mine started dec 21st, starting with an inner ear infection,felt really weird but not dizzy,nauseated,spasms in my temples,my left arm felt numb, thoght i was having a heart attack or stroke or something,2 weeks later blew my nose and ruptured my ear drum well ever since then have felt this way off and on everyday since , had blood work done,cat scan everything fine,said it was anxiety,im about ready to go back but dont want to be put on medicine. im looking for the book been there,done that,do this by sam ***** going to try that people on this post said its real good, might want to try that before meds!!!good luck