what is wrong with robin roberts?
Breast cancer Myelodysplastic syndrome
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 In August 2007 , Pratchett was misdiagnosed as having had a minor stroke in 2004 or 2005 , which doctors believed had damaged the right side of his brain . While his motor skills were affected , the observed damage had not impaired his ability to write . On 11 December 2007 , Pratchett posted online that he had been newly diagnosed with early @-@ onset Alzheimer 's disease , which had been responsible for the " stroke " . He had a rare form of the disease , posterior cortical atrophy ( PCA ) , in which areas at the back of the brain begin to shrink and shrivel . 

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 Having just completed the tracks for his fourth album in 1996 , Walker was playing basketball with a friend , when he began to experience numbness , facial spasms , and double vision . Magnetic resonance imaging revealed that he had multiple sclerosis ( MS ) . Walker subsequently began changing his diet and treating the disease with a daily injection of Copaxone , sending his MS into an arrested state . 

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 Davis called the 1990s a " time of transition on Sesame Street " . Several people involved in the show from its beginnings died during this period : Jim Henson in 1990 at the age of 53 " from a runaway strep infection gone stubbornly , foolishly untreated " ; songwriter Joe Raposo from non @-@ Hodgkin 's lymphoma fifteen months earlier ; long @-@ time cast member Northern Calloway of cardiac arrest in January 1990 ; puppeteer Richard Hunt of AIDS in early 1992 ; CTW founder and producer David Connell of bladder cancer in 1995 ; director Jon Stone of amyotrophic lateral sclerosis in 1997 ; and writer Jeff Moss of colon cancer in 1998 . 

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 During England 's tour of India in February 2006 , Trescothick abruptly returned home citing personal reasons . He later blamed a virus . 

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 " Loin Like a Hunting Flame " has received mostly negative reviews from critics , with its treatment of female characters being seen as particularly poor . The episode — Nutter 's last contribution to the series — contains several literary references , alluding to both Dylan Thomas and Johann Wolfgang von Goethe . 
