PoliticsAdderall, Vyvanse in Higher Doses May Be Tied to Psychosis Risk, Study Says 2 years ago01 mins New research suggests that dosage plays a role in a rare side effect of A.D.H.D. stimulants. Post navigation Previous: Charles Biasiny-Rivera, Champion of Latino Photography, Dies at 93Next: Why House Republicans Are Targeting China Weeks Before the Election Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.