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 Experts and Contributors
List of Experts
Pritesh Topiwala, MD
Contributor
David R. Topor, PhD, MS-HPEd
Contributor
Elena Toschi, MD
Contributor
Joy Tsai, MD
Contributor
Sara Moradi Tuchayi, MD, MPH
Contributor
J. Kevin Tucker, MD
Contributor
Karen Turner, OTR/L
Contributor
Claire Twark, MD
Contributor
Preeti Upadhyay, MBBS, MPH
Contributor
Eve Valera, PhD
Contributor
Christopher D. Vélez, MD
Contributor
David M. Vernick, MD
Contributor
Alessandro Villa, DDS, PhD, MPH
Contributor
Kathleen Viveiros, MD
Contributor
Mercedes von Deck, MD
Contributor
Alina von Korff, MD
Contributor
Daniel M. Vu, MD
Contributor
May Wakamatsu, MD
Contributor
Sarah Wakeman, MD, FASAM
Contributor
Robert John Waldinger, MD
Contributor
Allan Walker, MD
Contributor
Molly Wanner, MD
Contributor
Janice Ware, PhD
Contributor
Jon Warner, MD
Contributor
Lindsay Warner
Content Licensing Editor, Harvard Health Publishing
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