Rubaiya, my friend came to me few days ago in an evening. She was a bit anxious. She said, “Doctor, I am expecting but I have a hole in my heart. Now I am having respiratory distress while working or climbing stairs and chest pain as well.”

Smoking just one cigarette daily is associated with a "much greater than expected" increase in risk for coronary heart disease (CHD) and stroke, researchers conclude in The BMJ.