Being overweight, especially obese (a body mass index, or BMI, greater than or equal to 30), is a risk factor for developing asthma.
In a meta-analysis of seven prospective studies that included 333,000 subjects, obesity increased the risk of developing asthma in both men and women by 50 percent.
There are various reasons why obesity worsens asthma. The reasons for this include the mechanical effects of truncal obesity and the metabolic effects of adipose tissue. Оbese asthmatics have smaller lung capacity, which causes the muscles around the lung airways to contract more, resulting in more asthma symptoms. The small airways in obese asthmatics are more likely to stay closed during normal breathing, causing less oxygen exchange in these airways.
Excess weight impairs respiratory function via mechanical and metabolic pathways. The accumulation of abdominal fat, for example, may limit the descent of the diaphragm, and in turn, lung expansion, while the accumulation of visceral fat can reduce the flexibility of the chest wall, sap respiratory muscle strength, and narrow airways in the lungs.
Asthma is more common and often harder to treat in the obese population.
Asthma in patients with obesity is characterized by more severe course, a reduced response to standard therapy.
Obese asthmatics get hospitalized 4.6 times more than asthmatics with normal BMI.
Researchers at National Jewish Health have shown that glucocorticoids, the primary controller medication for asthma, are 40 percent less effective in overweight and obese asthma patients than in those of normal weight.
“This study identifies what could be a significant issue for the 20 million Americans with asthma; specifically, the main controller medication might be less effective if you are overweight or obese,” said Dr. Sutherland.
The main reason is that obese people usually need a higher dose of medications.
This is why for obese people with asthma special breathing exercises that improve lung function, increase lung ventilation and improve oxygen exchange are especially necessary.
Breathslim program is targeted to solve these particular problems. Its main goal is to develop optimal diaphragmatic breathing which increases lung ventilation, decreases shortness of breath, improves oxygen supply to the blood and gives you energy to do physical exercises. Training with Breathslim also switches on the optimal function of a diaphragm that starts working as a powerful pump that circulates lymph through the whole body, therefore providing quick toxins removal.
All this combined with other benefits of this program provides a better quality of life for people with asthma and excess weight.