Discontinuing Heart Drugs

Larry Husten wrote this thought provoking article.  Almost nothing is known about the long term impact of taking heart drugs such as statins, ACE inhibitors, beta blockers and aspirin.  No one has the financial motive to do the research.  On an autobiographical note, I discontinued two medications clopidogrel and amplodipine because I could see no reason to continue with them.  I tried to talk to my cardiologist about my medications and he cut me off with the remark "you don't know how serious your condition is".  I understand, I have a right to discuss my medications.
When should drugs be discontinued