Joe Rogan returned from his battle with COVID-19 on Tuesday and began spreading misinformation on his podcast, where he pushed anti-vaccine conspiracy theories and touted ivermectin, a drug with no proven ability to treat the coronavirus.The comedian claimed that he recovered from COVID-19because of ivermectin, an anti-parasitic drug — not an anti-viral — that has sparked a firestorm of health misinformation in recent months.Rogan revealed last week that he was recovering after testing positive for COVID-19 following a trip to Florida.