what are the signs of a coronary heart disease?
['Angina, which can feel like pressure, squeezing, burning, or tightness during physical activity. ... ', 'Cold sweats.', 'Dizziness.', 'Light-headedness.', 'Nausea or a feeling of indigestion.', 'Neck pain.', 'Shortness of breath, especially with activity.', 'Sleep disturbances.']