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.
These are the indications when you should pay attention and begin medicinal treatment of a flat wart: 1  Flat wart began to grow rapidly; 2  Other warts began to appear around, merging into groups; 3  Ulceration appears on the wart, the growth bleeds; 4  When a wart is of inhomogeneous color.