World Heart Day, celebrated annually on September 29th, is a global health initiative aimed at raising awareness and promoting cardiovascular health. Organized by the World Heart Federation, this day serves as a reminder to everyone to take care of their hearts and adopt healthy lifestyles.

Oxygen therapy is one of the effective methods for disease control and rehabilitation of COPD patients. Oxygen inhalation can prevent the further development of the disease and prolong life: Medical research shows that COPD patients who insist on home oxygen therapy every day have a significantly longer life expectancy than those who do not take home oxygen therapy;