Bhumibol suffered from lumbar spinal stenosis, and received a microsurgical decompression for the condition in July 2006.[98][99] He was admitted to hospital in October 2007 and diagnosed with a blood shortage to his brain.[100] He received treatment for various ailments including heart problems and was released after three weeks.[101]
Bhumibol was again admitted to Siriraj Hospital in September 2009, apparently suffering from flu and pneumonia. In 2011, it was revealed as part of WikiLeaks's leak of United States diplomatic cables that he had suffered from Parkinson's disease and depression.[102] He was diagnosed with diverticulitis in hospital in November 2011, and was treated for the condition in January 2012.