In his first television appearance, Officer Frank Chiafari speaks out about the horror he witnessed during the February 2009 chimpanzee attack that left its victim mangled and disfigured. When he came face to face with the enraged primate, he had no choice but to shoot. The events of that day haunted him; Chiafari struggled with post-traumatic stress disorder, an anxiety disorder marked by intrusive thoughts and periods of sadness, anger or depression that people can develop after experiencing a life-threatening experience. Here, Chiafari shares his story and extends a message of hope to those suffering with PTSD. Dr. Oz delves into the mind-body responses that are characteristic of PTSD.

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To learn more about post-traumatic stress disorder, click here.

Animation produced by Visible Productions Inc.

How to Safely Make Lifestyle Changes With Type 2 Diabetes

Gain control of your disease while still protecting your heart

If you're overweight or obese and have type 2 diabetes, a new study reveals how to make lifestyle changes that will help you safely gain control of your disease and still protect your heart.

Researchers published a study in Diabetes Care that took a second — and more in-depth — look at data from the NIH's Look AHEAD study. They found that for 85% of people in that study, lifestyle interventions that triggered weight loss and increased physical activity reduced potential cardiovascular problems. Such lifestyle interventions also help reduce the risks for diabetes, dementia and some cancers and strengthen the immune system.

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