Hypertension is defined as a systolic blood pressure of 140 or greater and a diastolic BP of 90 or greater. Recently, hypertension has been ranked as one of the leading causes of worldwide disability. It is estimated that one billion adults worldwide (25 percent of the population) have hypertension and this number is expected to rise. Traditional advice to those who have an elevated blood pressure has been to reduce dietary salt intake. In general, dietary salt intake is more than six grams (2400 mg) with 95 percent of the global population consuming between 7.5 and 12.5 grams of salt per day. Recent evidence has begun to cast doubt on the traditional advice to reduce salt intake to lower blood pressure.
In India, most people consume