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, also called dyspnea, occurs with GERD because stomach acid that creeps into the esophagus can cause it to narrow. When gastric acid reaches the vocal folds, airways, and lungs, it can cause a swelling of the passages. This can lead to atypical asthma reactions.