Who are hematologists?
Hematologists are physicians and researchers who specialize in blood diseases.

What do hematologists do?
Hematologists study, diagnose, and treat blood diseases.

When is a hematologist's work important?
A hematologist's work is important when a doctor suspects a patient has an illness related to a blood disease.

Where do hematologists work?
Hematologists work in clinics, hospitals, labs, and universities.

What is the American Society of Hematology (ASH)?
The American Society of Hematology (ASH) is the largest and most respected organization of blood experts in the world. ASH has more than 14,000 members, many of whom have made major advancements in understanding and treating blood diseases.

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