Kuva Satu Wedenojasta.

Satu Wedenoja

Chief Physician Welfare State Research and Reform Department, THL

Kirjoittajan blogeja

Lack of knowledge makes rare diseases expensive to treat while increasing human suffering

6 min

When speaking about the health of the population, the focus is usually on common diseases. Rare diseases are the opposite of common diseases. A disease is classified as rare when it affects fewer than one in 2,000 people, but many diseases are much rarer than that. Altogether, they affect 6-8 percent of the population.