The 18 Most Expensive U.S. Medical Conditions has an interesting feature on the most expensive medical conditions:

It should come as no surprise that health care in the United States is expensive. According to the latest comprehensive data from 2014, health care spending in the United States costs about $3.2 trillion each year. Roughly a third of that cost comes from the top 18 most expensive conditions.

In the following article, we will take a closer look at those costly conditions. You will learn some of the most expensive medical conditions, how many people visit hospitals for each condition every year, as well as how much treatment costs annually. Statistics come from 2014, the most recent comprehensive data available for health care costs. Read on to learn how to avoid these disorders, protecting both your health and your bank account.

Top on the list: mental disorders.