“…The hallmark clinical signs of PD are its motor triad: a pillrolling rest tremor, rigidity, bradykinesia/akinesia, internal tremor associated with anxiety, cramps, aches, pains, gait and postural disturbances with a loss of righting refl exes, unsteadiness, imbalance and falls, sialorrhea, dysarthria, visual and genitourinary dysfunction, sleep disturbances, sweating, seborrhea, edema, constipation, paresthesias, fatigue, and a decreased sense of smell [172][173][174][175].…”