Research Suggests That Moderate Drinking May Have Health Benefits for Many

Research suggests that moderate drinking may have health benefits for many people,but others who drink alcohol develop alcoholism,which

A) is usually only a minor inconvenience to the individual and his or her family.
B) is associated with long-lasting changes in neural-signal transmission patterns.
C) is not seen as a disease.
D) is defined as being drunk every day, or at least six out of every seven days.