Buuxi weedha soo socota:
1906 dhulgariirkii San Francisco, lamaanahan ayaa dib ugu soo laabtay waxayna ku deeqeen in kabadan 76,000 oo nooc oo ka mid ah aruurintooda gaarka ah Jaamacadda California, Berkeley. In kasta oo ay ahayd qof sonkorow qaba oo si joogto ah u xanuunsata, maadaama daaweynta insulin-ka aan weli la soo saarin, Brandegee waxay sii waday ururinta tijaabooyinka California illaa dhimashadeedii 1920.