A later, more comprehensive analysis found that there was insufficient mercury in Brahe's system to cause death: https://newsfeed.time.com/2012/11/17/was-tycho-

A later, more comprehensive analysis found that there was insufficient mercury in Brahe's system to cause death: https://newsfeed.time.com/2012/11/17/was-tycho-brahe-poisoned-according-to-new-evidence-probably-not/ https://newsfeed.time.com/2012/11/17/was-tycho-brahe-poisone... They also didn't find any other poison in the samples.