Sandeep Nathan M.D.

What is a persistent cough?It can be annoying to have a cough that lasts for more than a couple of weeks. A cough is considered chronic or persistent if it does not go away after four weeks in children and eight weeks in adults. However, most persistent coughs are due to colds, flu, infection, or...

IntroductionNicotine is an alkaloid stimulant that comes from the nightshade family of plants, particularly from the leaves of tobacco. The type of nicotine found in tobacco plants is called Nicotiana tabacum. Nicotine can also be synthetically produced. Thousands of chemicals are contained in...

Trans fats can be classified as natural and man-made. Natural trans fats are found in beef, pork, lamb, and dairy products. Man-made trans fats are used to increase the shelf life of many products, and these fats are found to increase the risk of heart disease and clogging the arteries. According to...

Atypical myocardial infarction often occurs in older patients with a pronounced cardiosclerosis, circulatory failure, and often with people who have a history of heart attacks.The symptoms may confuse you, or make you think that they are not associated with the heart.Usually, atypical manifestations...

The first few weeks after a heart surgery are usually eventful and difficult. As time passes, life becomes easier with lesser discomfort, if postoperative precautions are followed stringently. The most important thing that a patient should realize is that he himself is responsible for quick healing....

Enlarged heart or cardiomegaly is an indication of an underlying condition rather than a disease in itself. Enlargement makes the heart work harder than normal and weakens the heart muscles after a period of time. An enlarged heart has a number of causes including hypertension and coronary artery...