708
Our patient was a 72-year-old man with advanced Parkinson's disease (PD) who received levodopa and anti-cholinergic drugs and whose head had become almost completely bald.
 adverse event: become 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: become 