PDD was first reported among macaws in the US in the 1970s, and in
the 1980s increasing numbers of cases were reported worldwide.
Not exact matches
Pulmonary hypertension is rare — with only about 15 to 50
cases per million people — but the total
number of deaths attributed to the disease
increased by more than 40 percent in the U.S. between
1980 and 2002, according to the Centers for Disease Control and Prevention.
Since
1980, the incidence
of hepatocellular carcinoma, the most common type
of liver cancer, has nearly tripled, and obesity related liver disease is one
of the driving forces behind the
increasing number of cases.
After
increasing by an annual rate
of 30 percent between
1980 and 1983, the
number of new
cases has since slowed.