The conversation between human and AI assistant.
[|Human|] hi, i have been taking diclofenac for some years now,( i have problems with my knees), but now the surgery have stopped them and given me another anti infammatory, they say that diclofenac causses heart attacks, is this true ? as i found them really effective for my pain, thanks david dodsworth.
[|AI|]  Hi, It has been recommended that patients with serious underlying heart conditions, such as heart failure, heart disease, circulatory problems or a previous heart attack or stroke should avoid diclofenac. This is because there has been shown to be a slight increase in heart attacks and strokes in patients who take diclofenac. There are a number of alternative non-steroidal anti-inflammatory Chat Doctor.  
