I had three stents put in 5/6 years ago. I have never had high blood pressure or high cholesterol, but the Cardiologist that inserted my stents insists that I take Simvastatin, and Niacin for cholesterol and Atacand for blood pressure. Lately, I have been getting light headed and my blood pressure (we have a home device) ranges from 110/60 to 135/78. Without my Cardiologists permission I'm cutting my Atacand in half, but still feel light headed. Advice (beyond, 'go see your Cardiologist?'