Archbishop Desmond Tutu, left, reacts as he is examined by clinical nurse Liz Thebus, right, inside the 'Tutu Tester' mobile unit in Cape Town, South Africa, Thursday Oct. 22, 2009. The Tutu Tester, is a mobile unit that test people for diabetes, obesity and HIV with results and counseling provided on site.
(AP Photo/Schalk van Zuydam)