Nu bet..taču pats Ņūtons ir rakstījis kā cīnīties, piem, ar mēri:

“the best is a toad suspended by the legs in a chimney for three days, which at last vomited up earth with various insects in it, on to a dish of yellow wax, and shortly after died. Combining powdered toad with the excretions and serum made into lozenges and worn about the affected area drove away the contagion and drew out the poison.”