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
Harvard Health Experts and Contributors
List of Experts
![photo of Ashwini Bapat, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/xwCxlJNu6UV87rCmQiJuNZWlTq4oszMjwAdyRnpP.jpg)
Ashwini Bapat, MD
Contributor
![photo of Miriam Barshak, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/10401/Miriam-Barshak.jpg)
Miriam Barshak, MD
Contributor
![photo of Melissa Bartick, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/10000/Bartick-2018-headshot-color.jpg)
Melissa Bartick, MD
Contributor
![photo of Elizabeth Bashoff, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/9807/Bashoff.jpg)
Elizabeth Bashoff, MD
Contributor
![photo of Nicole Baumer, MD, MEd](https://d2icykjy7h7x7e.cloudfront.net/authors/hR9OwvI0UWBA3gxTLYkVUN5ZkPJeVNk5OGE4GC8q.jpg)
Nicole Baumer, MD, MEd
Contributor
![photo of Lisa Bebell, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/9929/Lisa-Bebell-Headshot_1912_low-res.jpg)
Lisa Bebell, MD
Contributor
![photo of Mark Benson, MD, PhD](https://domf5oio6qrcr.cloudfront.net/medialibrary/9737/20150929_markbensonheadshot_asa001-copy-1.jpg)
Mark Benson, MD, PhD
Contributor
![photo of Bonnie Bermas, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/8696/Bonnie-B.jpeg)
Bonnie Bermas, MD
Contributing Editor
![photo of Rachelle Bernacki, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/OGlD3Q29SixtT4NguSJlDCfhTcIoOZFWX01m5krp.jpg)
Rachelle Bernacki, MD
Contributor
![photo of Carolyn A. Bernstein, MD, FAHS](https://domf5oio6qrcr.cloudfront.net/medialibrary/9360/3T2L1A96.jpg)
Carolyn A. Bernstein, MD, FAHS
Contributor
![photo of Aaron Bernstein, MD, MPH](https://domf5oio6qrcr.cloudfront.net/medialibrary/9938/bernstein-Credit-Harvard.jpg)
Aaron Bernstein, MD, MPH
Contributor
![photo of Suzanne Bertisch, MD, MPH](https://domf5oio6qrcr.cloudfront.net/medialibrary/9604/Suzanne-Bertisch_014_2.jpg)
Suzanne Bertisch, MD, MPH
Contributor
![photo of Joseph R. Betancourt, MD, MPH](https://domf5oio6qrcr.cloudfront.net/medialibrary/10316/Betancourt-Bio-Photo-cropped-scaled.jpg)
Joseph R. Betancourt, MD, MPH
Contributor
![photo of Irun Bhan, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/10027/irun-bhan.jpeg)
Irun Bhan, MD
Contributor
![photo of Deepak L. Bhatt, M.D., M.P.H](https://d2icykjy7h7x7e.cloudfront.net/authors/8xARHYVAMyNcIFW9gKkvBVSVtIHsKxV6PVkys9QH.jpg)
Deepak L. Bhatt, M.D., M.P.H
Former Editor in Chief, Harvard Heart Letter
![photo of Ami Bhatt, MD, FACC](https://domf5oio6qrcr.cloudfront.net/medialibrary/9376/Ami_Bhatt_headshot-2016-White-Coat.jpg)
Ami Bhatt, MD, FACC
Contributor
![photo of Michael Bierer, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/8821/Mbierer-photo.png)
Michael Bierer, MD
Contributor
![photo of Kelly Bilodeau](https://d2icykjy7h7x7e.cloudfront.net/authors/hKIHj9KIQ0BhciADJOUPE1hDgYckqWHnmaDg6xdB.jpg)
Kelly Bilodeau
Former Executive Editor, Harvard Women's Health Watch
![photo of Randie Black-Schaffer, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/1jmta5DaHU5yPnZWq4o90YVP7zpBA8bC9ehKuGiO.jpg)
Randie Black-Schaffer, MD
Contributor
![photo of Rachel A. Blake, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/b2UlQJorh0V8oPFfinjsA8WdVm5kPytXpm5hL2XX.jpg)
Rachel A. Blake, MD
Contributor
![photo of Sara N. Bleich, PhD](https://domf5oio6qrcr.cloudfront.net/medialibrary/10234/Sara-Bleich-headshot-scaled.jpg)
Sara N. Bleich, PhD
Contributor
![photo of Susan D. Block, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/80abglR5XtjczATPZQ6RIa7Et3SafNzp5P0nprzt.jpg)
Susan D. Block, MD
Contributor
![photo of Kimberly Blumenthal, MD, MSc](https://domf5oio6qrcr.cloudfront.net/medialibrary/9713/Kimberly-Blumenthal.jpg)
Kimberly Blumenthal, MD, MSc
Contributor
![photo of Kathryn D. Boger, PhD, ABPP](https://d2icykjy7h7x7e.cloudfront.net/authors/1R2mY1uzKRE1R1SHmwjzoFqXHpE3s0WpTKRhCgjB.jpg)
Kathryn D. Boger, PhD, ABPP
Contributor
![photo of Emeric Bojarski, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/10145/Emeric-Bojarski.jpg)
Emeric Bojarski, MD
Contributor
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