Is it true that drinking tea can cut your risk of heart disease? Are there other foods I should eat to protect my heart?

I love fried foods—fried chicken, french fries and such. Do I have to cut them out completely to protect myself from heart disease?

I recently had a heart attack. The rehab I could handle, but I've been feeling really sad lately. Why is this? I should be happy to be alive!

I am confused about all the different words used to describe heart disease. What is the difference between conditions like atherosclerosis and cardiovascular disease? What is coronary artery disease? Bottom line, just what is heart disease, anyway?