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Why does being obese make DVT more likely?

ANSWER

People who are obese tend to have a less active lifestyle. Being idle makes your blood flow sluggish, and this makes clots more likely. Extra fat around your belly will also stop blood from moving easily through the deep veins. Obesity changes the chemical makeup of blood, and it leads to inflammation. Both make your blood more prone to clotting. And obesity puts you at risk for diabetes, which boosts your chances for getting DVT, too.

SOURCES:

Allman-Farinelli, M. Seminars in Thrombosis and Hemostasis, November 2011.

CDC: "Deep Vein Thrombosis [DVT] / Pulmonary Embolism [PE] -- Blood Clot Forming in a Vein, Facts."

Sam Schulman, MD, director, Clinical Thromboembolism Program, Hamilton Health Sciences, Hamilton General Hospital, Hamilton, Ontario.

Natalie Evans, MD, vascular medicine specialist, Miller Family Heart and Vascular Institute Cleveland Clinic, Cleveland, OH.

Marc Passman, MD, director, Vein Program, University of Alabama at Birmingham.

Reviewed by Nayana Ambardekar on January 21, 2020

SOURCES:

Allman-Farinelli, M. Seminars in Thrombosis and Hemostasis, November 2011.

CDC: "Deep Vein Thrombosis [DVT] / Pulmonary Embolism [PE] -- Blood Clot Forming in a Vein, Facts."

Sam Schulman, MD, director, Clinical Thromboembolism Program, Hamilton Health Sciences, Hamilton General Hospital, Hamilton, Ontario.

Natalie Evans, MD, vascular medicine specialist, Miller Family Heart and Vascular Institute Cleveland Clinic, Cleveland, OH.

Marc Passman, MD, director, Vein Program, University of Alabama at Birmingham.

Reviewed by Nayana Ambardekar on January 21, 2020

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Can losing weight lower your risk of DVT?

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