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 Jonathan Nadler, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/9021/me.jpg)
Jonathan Nadler, MD
Contributor
![photo of Uma Naidoo, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/VMk8O9Ci5lvemcTrJiFPYafiIpcxMLrtBSDDOCVE.jpg)
Uma Naidoo, MD
Contributor; Editorial Advisory Board Member, Harvard Health Publishing
![photo of James Naples, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/FA1nqfzsaxhUh5H0QjmBTnurx7haSOxVerA3kQft.jpg)
James Naples, MD
Contributor; Editorial Advisory Board Member, Harvard Health Publishing
![photo of Pushpa Narayanaswami, MD, FAAN](https://domf5oio6qrcr.cloudfront.net/medialibrary/10475/Narayanaswami_Pushpa_30B12E1-sm1-e1617831266177.jpg)
Pushpa Narayanaswami, MD, FAAN
Contributor
![photo of Janelle Nassim, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/9905/Janelle-Nassim-headshot-2019.jpg)
Janelle Nassim, MD
Contributor
![photo of Neera Nathan, MD, MSHS](https://d2icykjy7h7x7e.cloudfront.net/authors/Zjnh9vCjYKZH6i6y5zA1NApkHCJMceLVTd0oPgGF.jpg)
Neera Nathan, MD, MSHS
Contributor
![photo of David M. Nathan, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/OrjDXvLQUOEWWWrusajc7A0nTJUvocRobVoFj7LF.jpg)
David M. Nathan, MD
Editorial Advisory Board Member, Harvard Health Publishing
![photo of Judy Nee, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/9792/Nee-headshot.jpg)
Judy Nee, MD
Contributor
![photo of Sara Neill, MD, MPH](https://d2icykjy7h7x7e.cloudfront.net/authors/Zv8R1PbRdQv88F5PXvemyux4QpafZlN1dXW7KgPe.jpg)
Sara Neill, MD, MPH
Contributor
![photo of Justin Neiman](https://domf5oio6qrcr.cloudfront.net/medialibrary/10371/Justin-Neiman-Headshot-scaled.jpg)
Justin Neiman
Contributor
![photo of Leo Newhouse, LICSW](https://domf5oio6qrcr.cloudfront.net/medialibrary/8907/Leo-Newhouse-04.jpg)
Leo Newhouse, LICSW
Contributor
![photo of Jeremy Nobel, MD, MPH](https://domf5oio6qrcr.cloudfront.net/medialibrary/9559/Jeremy-Nobel-1.0-.jpg)
Jeremy Nobel, MD, MPH
Contributor
![photo of Megan Noe, MD, MPH, MSCE](https://d2icykjy7h7x7e.cloudfront.net/authors/MfRyFwlnstLZWf6gGc3qETNGOf50OLb7WXs4OGPE.jpg)
Megan Noe, MD, MPH, MSCE
Editorial Advisory Board Member, Harvard Health Publishing
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