In that race he originally finished second by the smallest margin ever to decide an Olympic swimming final (one hundredth of a second), but was later awarded the gold medal after the victor, American Rick DeMont, an asthmatic, was disqualified for taking the banned stimulant ephedrine.
After the war, he returned to Shanghai and then Beijing, and died there having accidentally overdosed on the ephedrine he took to control his asthma.
Metaraminol or ephedrine, where hypotension (low blood pressure) may occur secondary to the sedating drugs
Baensch was fined ƒ 2,000 and disqualified from the 1967 World Championships in Amsterdam after testing positive to ephedrine.
Some examples include amphetamine, ephedrine, and MDMA which act indirectly through the release of neurotransmitters.
In Ziarat a herb called Ephedra sinica is found in abundance from which a chemical called ephedrine is extracted, an important constituent of various medicines, especially cough syrups.