It was over-consumption, not consumption of graviola that caused Parkinson’sdisease. The dose of neurotoxic acetogenins that one consumes isvery dependent on the form of graviola that is ingested. For exam-ple, one study used a tea made from 10 to 12 dry leaves that wereboiled in 8 oz (about 237 ml) water for 5–7 min (Hansra et al., 2014).Since acetogenins have very low solubilities in water (Höllerhageet al., 2009), this would have been a relatively low dose. The dose