Ryan's drinking causes concern for the others when they enjoy a night out together.
Heavy drinking can cause the number of oxygen-carrying red blood cells to be abnormally low.
And exactly how drinking too much alcohol causes hangovers isn't entirely clear.
Heavy drinking, because it kills certain nerve cells, can cause tremors, too.
Moderate drinking may also cause a small rise in strokes caused by bleeding into the brain.
For decades, researchers have known that heavy drinking during pregnancy can cause birth defects.
The peyote and the drinking cause the narrator's ulcers to act up.
Does drinking cause you to have difficulty in sleeping? 16.
Excessive drinking during pregnancy can cause mental retardation and physical problems with the child.
I have attempted to make amends for the damage that my drinking caused to others.