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.
The Appearance of Warts. Warts normally grow out of the skin in cylindrical columns. These columns do not fuse when the wart grows on a thinner skin, such as the face. On thicker skin, the columns fuse and are packed tightly together giving the surface the typical mosaic pattern.