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.
Asthma vs. chronic obstructive pulmonary disease. Asthma is a respiratory condition that comes with spasms in the bronchi of the lungs that make it difficult to breathe. It is often mistaken for chronic obstructive pulmonary disease. When someone has COPD they experience a decrease in airflow over a period of time.