Recent Blog Articles
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15477/conversions/59f61b05-2e23-463a-a0f7-b8aef6addd73-micro.jpg)
Testosterone-blocking drugs boost heart disease risk when given in combination
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15472/conversions/9f706d6e-3ba5-441f-a1ce-d93af96cdb5d-micro.jpg)
Parenting isn't easy: Two important skills can help
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/14937/conversions/fcff561e-5fc9-4fbd-aac0-b9ea3778052b-micro.jpg)
Does sleeping with an eye mask improve learning and alertness?
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15415/conversions/2acee670-1e43-413e-a07b-437512d22803-micro.jpg)
Do tattoos cause lymphoma?
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/14051/conversions/dea50ed5-99ea-4779-aa5b-56fae11aaa92-micro.jpg)
Hot weather hikes: Staying safe when temperatures spike
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15405/conversions/f22b5f3d-fd64-479d-b10a-b2409347f160-micro.jpg)
Cannabis drinks: How do they compare to alcohol?
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15404/conversions/ccd2e44a-96c4-492f-a05c-c2706549efc0-micro.jpg)
What is Lewy body dementia?
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15083/conversions/2fa8315b-f48e-43fb-8b56-d681a1715343-micro.jpg)
Dog bites: How to prevent or treat them
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15386/conversions/33679f9f-8065-4e13-a188-2ca67472b36f-micro.jpg)
Ever read your medical record? Here's why you should
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/14810/conversions/778f3d8c-0b73-420c-8d03-e8542d49660d-micro.jpg)
Shining light on night blindness
![photo of Christopher P. Cannon, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/mjZEhXP5MlckGcpBwtSOOH6XxRmkaf56pXc55t6I.jpg)
Christopher P. Cannon, MD
Editor in Chief, Harvard Heart Letter; Editorial Advisory Board Member, Harvard Health Publishing
Dr. Christopher P. Cannon is editor in chief of the Harvard Heart Letter. He is a professor of medicine at Harvard Medical School, and senior physician in the Preventive Cardiology section of the Cardiovascular Division at Brigham and Women’s Hospital in Boston.
Dr. Cannon earned his MD from Columbia University College of Physicians and Surgeons in New York, and did his internal medicine residency at Columbia Presbyterian Medical Center and a cardiovascular fellowship at Brigham and Women’s Hospital. He has published more than 1,000 original articles, reviews, or book chapters in the field of acute coronary syndromes and prevention, and has authored or edited 20 books. He has received numerous awards, including leadership awards from the American College of Cardiology, the American Heart Association, and the National Lipid Association.
Posts by Christopher P. Cannon, MD
![Another risk related to atrial fibrillation featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/15439/conversions/4593ea33-cf3f-4d5b-802e-a3779f020ce0-thumb.jpg)
Heart Health
Another risk related to atrial fibrillation
![Why do some heart drugs cost so much? featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/15323/conversions/889ad0a0-d46e-4122-ad90-fa486dd55d10-thumb.jpg)
Heart Health
Why do some heart drugs cost so much?
![Is niacin safe for the heart? featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/15243/conversions/6e898ab9-ee24-4c69-81ea-21e65254f7cb-thumb.jpg)
Heart Health
Is niacin safe for the heart?
![Repairing a thoracic aneurysm featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/15168/conversions/caf024a4-1e25-467a-a29b-0c22f81240ba-thumb.jpg)
Heart Health
Repairing a thoracic aneurysm
![Treating persistent angina featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/14905/conversions/1bad7b78-23ff-4922-851f-724f37cf7be5-thumb.jpg)
Heart Health
Treating persistent angina
![The best anti-clotting drug for afib? featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/14760/conversions/74cb24e8-68cf-4950-b764-422e2ff553e8-thumb.jpg)
Heart Health
The best anti-clotting drug for afib?
![Biotin supplements featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/14648/conversions/0864a5b8-68f8-4957-9e63-27326407939c-thumb.jpg)
Heart Health
Biotin supplements
![Can I improve my ejection fraction? featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/14549/conversions/cfe86840-9f7b-4c1f-bc9a-d63198504c58-thumb.jpg)
Heart Health
Can I improve my ejection fraction?
![Saturated fat: How much is okay? featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/14455/conversions/16e3ef0e-b8de-4803-846f-02c1b5f843ba-thumb.jpg)
Heart Health
Saturated fat: How much is okay?
![An elevated high-sensitivity troponin level featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/14331/conversions/f01bc160-6b5b-406c-98f2-1ffa0ba8c056-thumb.jpg)
Heart Health
An elevated high-sensitivity troponin level
![Living longer, free of heart disease? featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/14108/conversions/f98004ef-be25-4bf6-a1b7-c137ea25c7da-thumb.jpg)
Heart Health
Living longer, free of heart disease?
![Understanding statin intensity featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/14015/conversions/7448780f-21da-4fc3-a9ab-4816d6d23518-thumb.jpg)
Heart Health
Understanding statin intensity
![A device to prevent strokes in afib featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/13913/conversions/16af9922-5441-48e3-a200-d51fd8419d90-thumb.jpg)
Heart Health
A device to prevent strokes in afib
![Aortic valve replacement options featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/13784/conversions/7f9e6c9a-50f5-44b8-891f-f47a1fcaf5ef-thumb.jpg)
Heart Health
Aortic valve replacement options
![Should I get a calcium score? featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/13699/conversions/9dcebd34-812d-4014-ac7f-d4c0d5f46d4b-thumb.jpg)
Heart Health
Should I get a calcium score?
Heart Health
From the editors
Recent Blog Articles
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15477/conversions/59f61b05-2e23-463a-a0f7-b8aef6addd73-micro.jpg)
Testosterone-blocking drugs boost heart disease risk when given in combination
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15472/conversions/9f706d6e-3ba5-441f-a1ce-d93af96cdb5d-micro.jpg)
Parenting isn't easy: Two important skills can help
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/14937/conversions/fcff561e-5fc9-4fbd-aac0-b9ea3778052b-micro.jpg)
Does sleeping with an eye mask improve learning and alertness?
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15415/conversions/2acee670-1e43-413e-a07b-437512d22803-micro.jpg)
Do tattoos cause lymphoma?
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/14051/conversions/dea50ed5-99ea-4779-aa5b-56fae11aaa92-micro.jpg)
Hot weather hikes: Staying safe when temperatures spike
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15405/conversions/f22b5f3d-fd64-479d-b10a-b2409347f160-micro.jpg)
Cannabis drinks: How do they compare to alcohol?
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15404/conversions/ccd2e44a-96c4-492f-a05c-c2706549efc0-micro.jpg)
What is Lewy body dementia?
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15083/conversions/2fa8315b-f48e-43fb-8b56-d681a1715343-micro.jpg)
Dog bites: How to prevent or treat them
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15386/conversions/33679f9f-8065-4e13-a188-2ca67472b36f-micro.jpg)
Ever read your medical record? Here's why you should
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/14810/conversions/778f3d8c-0b73-420c-8d03-e8542d49660d-micro.jpg)
Shining light on night blindness