When your heart's too thick to work well

Some people with hypertrophic cardiomyopathy might not even be aware they have the condition as they don’t experience any significant health problems. — TNS

Hypertrophic cardiomyopathy is a genetic heart disease that occurs in one in 500 people.

People with this condition have an abnormal arrangement of heart muscle cells, which is usually caused by gene mutations that make the heart grow abnormally thick.