The number of patients admitted to the Department of Cardiovascular Medicine has increased by 10% to 30%. People with chronic diseases such as vascular diseases and respiratory diseases, as well as people who work outdoors for long periods of time, are most affected.
A cold environment will cause the human body's blood vessels to constrict. The narrowing of blood vessels will increase the resistance to blood passage, which will cause blood pressure to rise. The elderly should go out and walk around appropriately and breathe fresh air while taking special measures to keep warm.