Why testosterone levels drop and when to consider treatment
Don't count on daily aspirin to prevent colon cancer
Night owls' habits linked to worse heart health
After ablation, exercise may lower atrial fibrillation recurrence
What can cause an enlarged heart?
Women's unique risks for heart disease
Chronic kidney disease: A hidden threat to your heart
Navigating your online patient portal: Best practices
Treating hair loss in men: What works?
Virtual cardiac rehab: Heal your heart from home
Harvard Heart Letter - May 2026
Articles
Heart Health
4 keys to a heart-healthy diet
Heart Health
What is a cardioversion procedure?
Heart Health
Finding and fixing a stiff, narrowed aortic valve
Heart Health
Coping with chronic pain, depression, and high blood pressure
Exercise and Fitness
Understanding exercise heart rate zones
Heart Health
New thinking about plaque in arteries that feed the brain
Heart Health
FDA approves nasal spray to treat rapid heart rhythm
Diet and nutrition
People who stop weight-loss drugs may gain back weight and lose heart benefits
Preventive care
CPR on TV may be misleading
Why testosterone levels drop and when to consider treatment
Don't count on daily aspirin to prevent colon cancer
Night owls' habits linked to worse heart health
After ablation, exercise may lower atrial fibrillation recurrence
What can cause an enlarged heart?
Women's unique risks for heart disease
Chronic kidney disease: A hidden threat to your heart
Navigating your online patient portal: Best practices
Treating hair loss in men: What works?
Virtual cardiac rehab: Heal your heart from home
