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 Health Letter - May 2026
Articles
Brain health
Don't buy into brain health supplements
Heart Health
How does blood pressure work?
Diet and nutrition
What you need to know about the new dietary guidelines
Bones and joints
Two bad knees? What to know about bilateral knee replacement
Preventive care
Remedies for motion sickness: What works?
Exercise and Fitness
A measure of balance
Exercise and Fitness
Doing different types of exercise linked to a longer life
Diet and nutrition
People who stop weight-loss drugs may gain back weight and lose heart benefits
Heart Health
How gum disease may raise heart disease risk
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
