As Chernobyl's legacy endures, here's what to know about radiation sickness Unlisted Video

In April of 1986, a nuclear reactor in the town of Chernobyl, Ukraine, blew up. The explosion affected residents within a 200-mile radius for decades to come. According to Business Insider, the symptoms of radiation poisoning include nausea, vomiting, infections, diarrhea, and low blood pressure, and can lead to cancer or death if left untreated.