Research into the full effects of nuclear war has been done, hidden, and done again over the years. On Thursday, Russian forces launched missile attacks and shelling against Ukraine, igniting a significant escalation of the violence in the region.
According to a study by researchers at Rutgers University, the National Center for Atmospheric Research, and other institutions, nuclear war would result in many immediate losses of life. Smoke from the resulting fires would also cause climate change that could last up to 15 years. This in turn would threaten global food production and human health.