You can stop receiving phone calls from the American Institute for Cancer Research by sending a written request to the AICR by mail. Alternatively, you can submit your written request by email. As of 2015, you can send your request to email@example.com.
People who provide their telephone numbers to the American Institute for Cancer Research online may receive telephone calls from the organization with regards to their online orders. Sometimes the AICR may also contact them by phone about other issues that may interest them or to request donations for AICR's cancer research programs. In addition, AICR may exchange its mailing list with other organizations.