Some are. Fish is good but may contain mercury. Garlic and black tea are beneficial. Folic acid, vitamin b6, vitamin b12, vitamin c, & vitamin d have no benefit in heart disease. Vitamin e and carotene are not beneficial and some studies have found harm. The jury is out on coenzyme q10 and ginseng. The best, most consistently good, most natural remedy is regular exercise and maintaining normal body weight.
D and E. Diet and exercise. No smoking. Aspirin. Statin. Beta-blocker. Ace-inhibitor. For unstable symptoms or high risk features: coronary angiography and revascularization.
Genes and lifestyle. There are inherited and environmental risk factors. The most common modifiable risk factor is smoking. Other risk factors are age, diabetes, hypertension, elevated cholesterol, & family history. Treatment is aimed at controlling risk factors- medication to treat diabetes, hypertension, and cholesterol; stopping smoking, and diet and exercise.
Broad question. Risk factors include: htn, diabetes, high cholesterol, smoking, family history, obesity, age. Treatment focuses on treating risk factors except you can't change your age or who your parents are. It is estimated that 80% of all cardiovascular events are preventable.