Crestor is a statin used as part of a routine involving exercise a balanced and nutritious diet and weight management to effectively treat conditions such as high cholesterol which increase the risks of developing cardiovascular disease. Because cardiovascular disease is such a potent threat drugs like Crestor are prescribed aggressively to patients exhibiting persistent hyperlipidemia. Patients can further help themselves by keeping a daily dosage journal to keep track of their medications. doing so can help track progress as well as increase medication adherence.