The draining lava left long, tube-like caverns. Of the four caves in this particular cluster, only Boyd Cave is now open to hikers. Arnold Ice Cave is filled with ice. Skeleton and Wind Cave were open to hikers until 2007, when they were gated closed to prevent vandalism and protect hibernating bats.
On the other hand, asthma is an ongoing chronic condition that has acute flare ups and chronic pulmonary insufficiency due to airway reactions that cause the bronchial tubes to be partially obstructed. This results in shortness of breath, chronic cough, frequent chronic bronchitis, chronic pneumonia and wheezing.
Shortness of Breath: A Common Asthma Symptom. Asthma. Shortness of breath is one of the classic asthma symptoms people experience before being diagnosed with asthma or when their asthma is poorly controlled. Shortness of breath refers to feeling breathless or having difficulty breathing. Your doctor may refer to shortness of breath using the medical term dyspnea. There is no strict medical definition for shortness of breath. Patients will often describe this trouble breathing differently. You may hear shortness of breath described as: Being air hungry.