People who use e-cigarettes have a roughly 30% higher risk of developing respiratory illness.The increased risk includes conditions like chronic obstructive pulmonary disease, emphysema, bronchitis, and asthma.The four chronic conditions lead to difficulty breathing and can be life-threatening if left untreated.The risks for chronic lung diseases among current e-cigarette users is 31% higher compared to non-users.According to UPI. former e-cigarette users have a 28% higher risk.Chronic obstructive pulmonary disease causes obstructed airflow from the lungs.Asthma develops as a result of the narrowing of the airways, and chronic bronchitis is common in smokers.Emphysema is a progressive condition, also diagnosed in smokers, that causes decreased lung capacity.