It involves inhaling deeply and slowly but surely with the nose so that the lungs fill with air as your belly expands. Coupled with strengthening your diaphragm, diaphragmatic breathing could also lessen worry and reduce blood pressure level.Các v? trí bi và ?? bi s? gi? ch?t l?ng trong bu?ng b?m và ch? cho phép ch?t l?ng ???c ?i ra theo one h