Changes in Leprechaun Traits: Now a Wealthy Shoemaker. 1  The Mystery of the San Pedro Mountains Mummy. 2  Irish Lore Keeper gives Dire Warning: US Company will be Cursed if Ancient Fairy Fort is Destroyed. 3  The nature and danger of the legendary Kobold. 4  Evolving Forms: An Intriguing Look at Shapeshifting.
Exertional Dyspnea. Shortness of breath during exercise (exertional dyspnea) produces a sensation of not being able to get enough air and a feeling of being out of breath..A number of factors can cause exertional dyspnea, but they are usually related to insufficient tissue oxygenation by the blood.xertional Dyspnea. Shortness of breath during exercise (exertional dyspnea) produces a sensation of not being able to get enough air and a feeling of being out of breath..
Shortness of Breath. Difficulty breathing or shortness of breath, also called dyspnea, can sometimes be harmless as the result of exercise or nasal congestion. In other situations, it may be a sign of a more serious heart or lung disease. Cases of frequent breathlessness should be evaluated by a physician to determine the cause.