Some of the 26 million Americans with asthma may also be prone to bone loss. According to a study, there seems to be association between asthma and a decrease in bone mineral density. Researchers studied more than 7,000 patients, 433 of which had airway hyperresponsiveness (AHR) or asthma. Lumber spine and femur bone density was significantly lower in those with AHR or asthma, than those without the conditions.![]()