See Dr Briffa's article about statins and this other of his articles that mentions statins. And here is another blogger's article which contains strong criticisms of statins, the companies that produce them and the professionals who prescribe them.
If you want to improve the health of your heart - and indeed improve the health of all the organs of your body - your best course of action is to eat less salt and salty food. See Information about Sodium in Foods. There are no adverse side-effects from doing this: it is entirely safe and entirely beneficial. Avoid pharmaceutical drugs as far as you can. They do far more harm than good for most people.