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 Susan Abookire, BSEE, MD, MPH, FACP](https://domf5oio6qrcr.cloudfront.net/medialibrary/9746/Susan-Abookire-h5562.jpg)
Susan Abookire, BSEE, MD, MPH, FACP
Contributor
![photo of Steven A. Adelman, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/8888/Adelman-2.jpg)
Steven A. Adelman, MD
Contributor
![photo of Marwa A. Ahmed, MD, MS](https://domf5oio6qrcr.cloudfront.net/medialibrary/9730/Marwa-Ahmed-Skiing.jpg)
Marwa A. Ahmed, MD, MS
Contributor
![photo of Jessica Allegretti, MD, MPH](https://domf5oio6qrcr.cloudfront.net/medialibrary/9785/Allegretti_Jessica_MD_15_WEB.jpg)
Jessica Allegretti, MD, MPH
Contributor
![photo of Joseph Allen, DSc, MPH, CIH](https://d2icykjy7h7x7e.cloudfront.net/authors/hOy4Ntd9TuBQE16nSLDsn80rknSKaTeP4SMVCfZd.jpg)
Joseph Allen, DSc, MPH, CIH
Contributor
![photo of Daniel Amponsah, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/cOakdZDVtqIAUrt21kvcLee66knC4hL9R711usoK.jpg)
Daniel Amponsah, MD
Guest Contributor
![photo of Christopher D. Anderson, MD, MSc](https://d2icykjy7h7x7e.cloudfront.net/authors/H60gF5m1AQOrVGyYvbXHX96uXItMRxZu3r9M4W8Y.png)
Christopher D. Anderson, MD, MSc
Contributor
![photo of Sue-Ellen Anderson-Haynes, MS, RDN, CDCES, LDN, NASM-CPT](https://domf5oio6qrcr.cloudfront.net/medialibrary/10486/professional-head-shot-scaled.jpg)
Sue-Ellen Anderson-Haynes, MS, RDN, CDCES, LDN, NASM-CPT
Contributor
![photo of Chika Anekwe, MD, MPH](https://d2icykjy7h7x7e.cloudfront.net/authors/Dw0eiNbfeCuBZ553H7Jrb3t470RDFhgkoCJE1ACU.png)
Chika Anekwe, MD, MPH
Contributor; Editorial Advisory Board Member, Harvard Health Publishing
![photo of Adjoa Anyane-Yeboa, MD, MPH](https://domf5oio6qrcr.cloudfront.net/medialibrary/10502/Adjoa-Anyane-Yeboa-headshot2-commonwealth-fund_updated-e1620151342595.png)
Adjoa Anyane-Yeboa, MD, MPH
Contributor
![photo of Wynne Armand, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/vYWboPeVUIvkPnzcpIhr2aiLeEmHyl7PqGqRNfiq.jpg)
Wynne Armand, MD
Contributor
![photo of Sait Ashina, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/LiqTzNVlMLqsUhjAV0yj2HjSBb7hdHvBwLAnCCqn.jpg)
Sait Ashina, MD
Contributor
![photo of Steven J. Atlas, MD, MPH](https://domf5oio6qrcr.cloudfront.net/medialibrary/8897/SAtlas_8.15_cropped.jpg)
Steven J. Atlas, MD, MPH
Contributor
![photo of Parham Azimi, PhD](https://d2icykjy7h7x7e.cloudfront.net/authors/ZXpjkAeQYjqhMXWYBAoPR59h1OmSdUwUt74TrtL0.jpg)
Parham Azimi, PhD
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