Caryl Wattman wrote: >>They are serum tests for food and chemical sensitivites. They measure the >>blood cells' reactions to a foreign substance. See: http://www.alcat.com/ > >Thanks, Don. I went to the URL and was told my AOL that it was "forbidden" to >me. Any idea why? No, and it is also forbidden for me. I just e-mailed their webmaster asking why. If you don't want to wait for a response you can try calling them at 1-800-578-9970 on Friday, but they may be closed until Monday. Don.