Hypoventilation may be caused by an uneven distribution of inspired air (as in bronchitis), obesity, neuromuscular or skeletal disease affecting the thorax, decreased response of the respiratory center to carbon dioxide, or a reduced amount of functional lung tissue, as in atelectasis, emphysema, and pleural effusion.
Seborrheic Keratosis Causes Wart Like Skin Growths. Seborrheic keratosis causes wart like skin growths to appear on just about every body thatâs over age 40. Although they resemble skin cancer, these keratosis tumors are benign.
Skin tags and cutaneous warts -- meaning nongenital warts -- are among the most common causes of new skin growths. Aesthetically unpleasant and sometimes uncomfortable, skin tags and warts share some similarities. But there are also significant differences in cause, appearance, location, risk factors, typical course and treatment.