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 - November 2025
Articles
Healthy aging and longevity
The complicated risks of simple cold remedies
Mind & Mood
Can our brain talk to our immune system?
Diseases & Conditions
Tips to cope when hearing hurts
Heart Health
The hidden heart danger of insufficient sleep
Healthy aging and longevity
Improve your balance with tai chi this winter
Diet and nutrition
Can you take a break from healthy eating?
Healthy aging and longevity
Urgent care clinics linked to unnecessary prescriptions
Diseases & Conditions
Respiratory syncytial virus (RSV) tied to heart problems
Cancer
How many servings of cruciferous vegetables should you eat to fight colon cancer?
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
