new york democratic presidential candidate bernie sanders overall good health limitations work u.s. senator physician say letter release thursday letter brian monahan attend physician congress detail health vermont senator vie hillary clinton party nomination november 2016 presidential election overall good health active professional work recreational lifestyle without limitation say jan. 20 letter post sanders campaign website presidential candidates often release statements assure voters fit presidency race clinton sanders 74 tighten recent weeks poll show two statistical dead heat iowa caucus feb. 1. letter note sanders years treat condition range gout hypothyroidism diverticulitis also surgery repair hernias excise vocal cord cyst letter say senator also take levothyroxine daily indomethacin occasionally add levothyroxine use treat hypothyroidism indomethacin use treat stiffness pain osteoarthritis accord u.s. national library medicine sanders main democratic rival hillary clinton release statement doctor last year give clean bill health report luciana lopez edit richard chang sap sponsor coverage independently produce staff reuters news agency democratic candidate bernie sanders good health doctor