high blood pressure ko thik krta h chukandar । beetroot । #shorts

The blood pressure is high in

High blood pressure is an infectious disease.

During high blood pressure, regulatinos of heart beat and circulation are controlled by

In a group of 50 people, two sets were conducted, one for diabetes and one for blood pressure. 30 people were diagnosed with diabetes and 40 people were diagnosed with high blood pressure. What is the minimum number of people who were having diabetes and high blood pressure ?