Hi.. High cholesterol affect the arteries and the blood vessels.. This can lead to heart attacks, angina,strokes, hypertension, peripheral artery thrombosis and few other minor health issues.. Your symptoms baring the chest pain may be unrelated to high cholesterol levels.. It is better that you get a complete health check up.. And if you high stress levels which may be contributing to your symptoms, a good stress management would be necessary... Discuss with your doctors for more details...