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.
11 Symptoms That Could Signal COPD. Wheezing, coughing, and shortness of breath are common with both asthma and chronic obstructive pulmonary disease (COPD) , and the two conditions can even co-exist, particularly in people who smoke. But there are significant differences between them. People with asthma tend to have a dry cough and wheeze, symptoms which may become worse at night; following a careful management plan can help control asthma symptoms. 2  Related symptoms. 3  Asthma is often accompanied by other allergy-related symptoms, like eczema or rhinitis, while COPD is not.