Diabetes is a complex disease that runs in families, affecting some members and sparing others.

Alcohol addiction is a complex disease that results from a variety of genetic, social, and environmental influences.

For complex diseases, the underlying genetic model is often unknown.

Asthma is a complex disease with genetic and environmental causes.

Obesity is a complex disease for which no single cause or cure exists.

Why do complex diseases like autism turn up in more boys than girls?

Cancer is a complex disease, arising from the interaction of our genes with numerous factors in the environment.

Hypertension is a complex disease, with no known single cause.

Obesity is a complex disease in which having too much body fat increases a person's risk for developing other health problems.

It's a complex disease that causes misery for 58 million Americans.