Registries allow health professionals to track and investigate illness and recovery related to disasters. They also help create guidelines that can save lives and reduce injuries in future disasters. The Agency for Toxic Substances and Disease Registry and the New York City Health Department established the World Trade Center (WTC) Health Registry in 2002, with the goal of monitoring the health of people directly exposed to the WTC disaster.

The WTC Health Registry will periodically follow-up with enrollees over the next 20 years to track changes in physical and mental health.

The Registry's 2008 annual report includes information on the Registry's key activities and accomplishments for 2008, as well as details on recent findings about the health consequences of 9/11.

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