what did doctor kevorkian do?
Physician Pathologist
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 The character was named after Dr. Kersh and Anton Kersh , characters from Vampire Circus — a favourite film of series creator Chris Carter . According to writer and producer Frank Spotnitz , the creation of the Kersh character was due to the writers desiring to create another of the several characters in the series who put pressure on Walter Skinner . 

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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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 In his electrotherapy , Bird used both electrochemical and electrostatic machines ( and later also electromagnetic induction machines ) to treat a very wide range of conditions , such as some forms of chorea . Treatments included peripheral nerve stimulation , electrical muscle stimulation and electric shock therapy . Bird also used his invention , the electric moxa , to heal skin ulcers . 

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 The strain took a toll , and by June he was being laid up for days on end with stomach problems , headaches and heart symptoms . For the rest of his life , he was repeatedly incapacitated with episodes of stomach pains , vomiting , severe boils , palpitations , trembling and other symptoms , particularly during times of stress , such as attending meetings or making social visits . The cause of Darwin 's illness remained unknown , and attempts at treatment had little success . 

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 Johnson had several health problems , including childhood tuberculous scrofula resulting in deep facial scarring , deafness in one ear and blindness in one eye , gout , testicular cancer , and a stroke in his final year that left him unable to speak ; his autopsy indicated that he had pulmonary fibrosis along with cardiac failure probably due to hypertension , a condition then unknown . Johnson displayed signs consistent with several diagnoses , including depression and Tourette syndrome ( TS ) . 
