How did Nicolas Steno die?

Answer 1

All that is known of Nicolas Steno's death is that his health deteriorated and he became severely ill and suffered greatly. Some say that his stomach continuously swelled until his death on November 25th, 1686. It has also been stated that he was lean, pale and emaciated, wasting away to almost nothing. More then likely, Steno died of a kidney stone at the young age of 48.

Answer 2

Nicolas Steno died on November 25, 1686 at the age of 48.