Ka cika wannan jumla: Matsi na yin tsere a dukan shekara kuma a nahiyoyi da yawa daga baya ya jawo wa Stewart matsalar rashin lafiya. Ya lashe gasar zakarun duniya ta 1971 duk da cewa yana fama da cutar mononucleosis kuma ya tsallaka Tekun Atlantika sau 186 saboda alkawurran kafofin watsa labarai a Amurka. A lokacin gasar Grand Prix na shekarar 1972 ya rasa
Grand Prix na Belgian a Nivelles saboda gastritis, kuma dole ne ya soke shirye-shiryen tuka Can-Am McLaren, amma ya lashe gasar Argentine, Faransa, Amurka da Kanada, don zama na biyu ga Emerson Fittipaldi a matsayin direbobi. Stewart kuma ya yi gasa a cikin Ford Capri RS2600 a Gasar Motocin Ziyara ta Turai, tare da abokin aikin F1 François Cevert da sauran matukan jirgi na F1, a lokacin da gasar tsakanin Ford da BMW ke kan gaba. Sakamakonsu mafi kyau shine a Sa'o'i 6 na Paul Ricard, wanda ya gama na biyu. A cikin 1972 Stewart kuma ya sami OBE.