(S (S (BASENP (DT The) (NN model)) (VP (ADVP (RB also)) (VP (VBZ bolsters) (NP (BASENP (JJ controversial) (NNS suggestions)) (SBAR (IN that) (S (BASENP (JJ chronic) (NNS infections)) (VP (MD could) (VP (VP (VB lead) (S (BASENP (DT the) (NN immune) (NN system)) (ADJP (JJ awry)))) (COMMA ,) (S (VP (ADVP (RB ultimately)) (VP (VBG resulting) (PP (IN in) (NP (BASENP (JJ rheumatoid) (NN arthritis)) (CC or) (BASENP (JJ other) (JJ autoimmune) (NNS ailments))))))))))))))) (PERIOD .))