Celebrate National Osteopathic Medicine Week! Page ContentApril 16, 2012: Find out how the AOA is spreading the word about osteopathic medicine and how you can get involved! Learn more about what we have planned for NOM week. Share This Your browser does not support this functionality. NOM Week Activities Advertising on the Chicago Transit System: The AOA is promoting osteopathic medicine to the millions of people who ride the Chicago buses and trains this April and May. Online Mini Medical School: Kids can learn about health and fitness by playing fun, interactive games right from a computer or mobile tablet. Take a look. Health Care Expenditures Survey: The AOA will release the results of a consumer health survey that asked respondents to answer questions regarding the impact of the economic downturn on their health care use and access.