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 Martha E. Shenton, PhD](https://d2icykjy7h7x7e.cloudfront.net/authors/FEOCDvStw9nB1Zjz4Ftw8idx9LOZMEShyb8yq1O7.jpg)
Martha E. Shenton, PhD
Contributor
![photo of Amy C. Sherman, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/10430/Amy-Sherman-HeadShot-e1614121295537.png)
Amy C. Sherman, MD
Contributor
![photo of Jan L Shifren, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/Wz2flBlEHhPTjkic6KAQZDaQj4ycHKnVlsRYZ22v.jpg)
Jan L Shifren, MD
Contributor
![photo of Robert H. Shmerling, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/OdKCKaVzyx3xPsUxIBc9zJz8m3zvysnJa3UJsGOd.jpg)
Robert H. Shmerling, MD
Senior Faculty Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing
![photo of Alison Shmerling, MD, MPH](https://d2icykjy7h7x7e.cloudfront.net/authors/09RWD7cnxnRkALAxpxWleJDAt7TlnNDKJKho5ChB.jpg)
Alison Shmerling, MD, MPH
Contributor
![photo of Ronald D. Siegel, PsyD](https://d2icykjy7h7x7e.cloudfront.net/authors/hqwkw0e2w2HnusJ12IPvNPNI00Cbzl0OSVjUEwFt.jpg)
Ronald D. Siegel, PsyD
Contributor; Editorial Advisory Board Member, Harvard Health Publishing
![photo of Julie Silver, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/7975/juliesilver.jpg)
Julie Silver, MD
Chief Editor of Books, Harvard Health Publishing
![photo of Harvey B. Simon, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/7965/harveysimon1.jpg)
Harvey B. Simon, MD
Editor, Harvard Health
![photo of Aneesh Singhal, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/9827/Passport-Photo_Aneesh.jpg)
Aneesh Singhal, MD
Contributor
![photo of Hicham Skali, MD, MSc, FACC](https://domf5oio6qrcr.cloudfront.net/medialibrary/9926/Hicham-Skali.png)
Hicham Skali, MD, MSc, FACC
Contributor
![photo of David M. Slovik, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/9848/David-Slovik-headshot-from-MGH.jpg)
David M. Slovik, MD
Contributor
![photo of Caroline Sokol, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/zhGOjbQjinxg7YsG8icq9uMeZAkRhhwxHT4oaOH9.jpg)
Caroline Sokol, MD
Contributor
![photo of Matthew Solan](https://d2icykjy7h7x7e.cloudfront.net/authors/meFkQGpweKNzK8THXHlIORQI3ZZ68ShyfSRQykZN.jpg)
Matthew Solan
Executive Editor, Harvard Men's Health Watch
![photo of Guru P. Sonpavde, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/9680/Guru-Sonpavde-headshot.jpg)
Guru P. Sonpavde, MD
Contributor
![photo of Celia Smoak Spell](https://domf5oio6qrcr.cloudfront.net/medialibrary/8921/Celia-1.jpg)
Celia Smoak Spell
Assistant Editor, Harvard Health Publishing
![photo of Jacqueline Sperling, PhD](https://d2icykjy7h7x7e.cloudfront.net/authors/64hG411QcH8JqNcE3NS6see0DZ7AE0vj8nTSRY8r.jpg)
Jacqueline Sperling, PhD
Contributor
![photo of Corporate Learning Staff](https://d2icykjy7h7x7e.cloudfront.net/authors/V0v1ZYn5Z3micD4V2YPRVR3ij8sfLoXYOVssXTqe.png)
Corporate Learning Staff
![photo of Fatima Cody Stanford, MD, MPH, MPA, FAAP, FACP, FTOS](https://d2icykjy7h7x7e.cloudfront.net/authors/H8byWudWdUokWI1zZXyOryWPixbggJMsQvqRLeOr.jpg)
Fatima Cody Stanford, MD, MPH, MPA, FAAP, FACP, FTOS
Contributor
![photo of Wendy Stead, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/10150/Wendy-Stead-head-shot-email.png)
Wendy Stead, MD
Contributor
![photo of Adam P. Stern, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/P6B5DEdoNNI3qcfHosehuSt59WmdkOkAqYNit0h6.png)
Adam P. Stern, MD
Contributor
![photo of Nicole Stern, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/2Ufintb9GIiTnm2LA269tuRBEOWQFUlLkHueDpUy.jpg)
Nicole Stern, MD
Contributor
![photo of Balachundhar Subramaniam , MD, MPH, FASA](https://domf5oio6qrcr.cloudfront.net/medialibrary/10044/bsubrama_image-2.jpg)
Balachundhar Subramaniam , MD, MPH, FASA
Contributor
![photo of Dawn Sugarman, PhD](https://domf5oio6qrcr.cloudfront.net/medialibrary/10468/Sugarman_headshot_2015-scaled.jpg)
Dawn Sugarman, PhD
Contributor
![photo of Carol Sullivan, MS, RD, CSO, LDN](https://domf5oio6qrcr.cloudfront.net/medialibrary/10442/Carol-Sullivan-closeup-1.28.21.jpg)
Carol Sullivan, MS, RD, CSO, LDN
Contributor
![photo of Siva Sundaram, BA](https://domf5oio6qrcr.cloudfront.net/medialibrary/9526/Siva-Sundaram-headshot.jpg)
Siva Sundaram, BA
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