The good news: Levels of some contaminants are improving, though heavy metals and phthalates still turned up in some products.Credit: Olha Romaniuk / Getty ImagesKey PointsConsumer Reports found microplastics in every baby food puree tested, with one containing more than 814,000 particles per serving.Heavy metal levels have declined, though some products still contained concerning levels of inorganic arsenic. Phthalates were detected in 81% of p…