He had begun to suffer in 1962 from a condition known as psoriatic arthropathy causing arthritis to develop in his joints as well as affecting his skin with psoriasis .
PRON AUX VERB PART VERB ADP NUM ADP DET NOUN VERB ADP ADJ ADJ VERB NOUN PART VERB ADP PRON NOUN ADV ADV ADP VERB PRON NOUN ADP NOUN .