If you have diabetes, high blood pressure, heart disease, or a family history of kidney problems, you are at risk for kidney disease. Kidney disease is serious, but if you catch it early, you can slow it down or stop it. Ask your doctor to check your kidneys.
South Asia basically refers to India and the few countries around it. It is known as a subcontinent as it was not originally part of the landmass known as the Asian continent. This can be seen from the presence of the Himalayas.
The Indian subcontinent or the subcontinent, also called the Indian continent, is a southern region of Asia, mostly situated on the Indian Plate and projecting southwards into the Indian Ocean from the Himalayas.