In modern pharmacology it's so clear that even if you have a fixed dose of a drug, the individuals respond very differently to one and the same dose.

In 1951 he received his M. Although Sweden was neutral during World War II Carlsson's education was interrupted by several years of service in the Swedish Armed Forces. These effects were similar to the symptoms of Parkinson's disease.

In 1959 he became a professor at the University of Gothenburg. D.