CD34 and Parkinson disease: The short AFA bluegreeen algae supplementation increased the total number of circulating CD34+ cells in our study, which concur with enhanced HSC mobilization observed in cynanophyta Aphanizomenon flos-aquae-treated subjects; this cyanophyta induces beneficial effects in severe human diseases like cardiomyopathy, stroke, diabetes, rheumatoid arthritis, kidney failure and Parkinson disease [22].