Recent Blog Articles
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15010/conversions/14b24cf0-ebd2-43d3-8f8c-4ccd1838241f-micro.jpg)
When should your teen or tween start using skin products?
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15179/conversions/9c2ee9da-d6d9-4ab3-81fa-4e2f021c4b74-micro.jpg)
How — and why — to fit more fiber and fermented food into your meals
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15545/conversions/gettyimages-2148232520-micro.jpg)
Protect your skin during heat waves — here's how
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/13229/conversions/125534d8-67fc-45bb-96b0-d7a413ecc7e3-micro.jpg)
Respiratory health harms often follow flooding: Taking these steps can help
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15514/conversions/gettyimages-1307510221-micro.jpg)
Want to cool down? 14 ideas to try
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/14741/conversions/9fec5c5b-998b-48a5-b669-eeb45b8736f0-micro.jpg)
A fresh look at risks for developing young-onset dementia
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15508/conversions/d28fc67f-70d6-47c4-b157-a20deee38d6a-micro.jpg)
Are you getting health care you don't need?
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15497/conversions/3d92a036-7b55-496b-b1d8-7232f86b43fc-micro.jpg)
Weighing in on weight gain from antidepressants
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15490/conversions/a44ac592-b730-46c0-9e2a-0a4f1dc7b501-micro.jpg)
Dengue fever: What to know and do
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15125/conversions/0bdfa2e1-9764-44f4-ae30-e4f9716e98f2-micro.jpg)
How do trees and green spaces enhance our health?
Harvard Health Experts and Contributors
List of Experts
![photo of Loren Rabinowitz, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/3Q8tikVD8wUoRZ0n1qm8AkClVcR3rKhKGW4dWyG8.jpg)
Loren Rabinowitz, MD
Contributor
![photo of David Ramsey, MD, PhD, MPH](https://domf5oio6qrcr.cloudfront.net/medialibrary/9755/RamseyPhotoMD.jpg)
David Ramsey, MD, PhD, MPH
Contributor
![photo of Vikram Rangan, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/10225/Vikram-Rangan-headshot.jpg)
Vikram Rangan, MD
Contributor
![photo of John J. Ratey, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/9940/John-Ratey-headshot.jpg)
John J. Ratey, MD
Contributor
![photo of Niyoti Reddy, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/ZfMf5znCAxOBSK6RshKVSnRkP6RNQFUPRMTbGX5C.jpg)
Niyoti Reddy, MD
Contributor
![photo of Emily Reiff, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/10029/Reiff-pic.jpg)
Emily Reiff, MD
Contributor
![photo of William Renthal, MD, PhD](https://domf5oio6qrcr.cloudfront.net/medialibrary/10007/William-Renthal.jpg)
William Renthal, MD, PhD
Contributor
![photo of Jenette Restivo](https://d2icykjy7h7x7e.cloudfront.net/authors/ag2hnSJzh6lpieumBBH19SqV9Vcf1hOgKz2OIAud.jpg)
Jenette Restivo
Health Writer; Assistant Director for Digital Content Creation and Engagement, Harvard Health Publishing
![photo of Kathryn Rexrode, MD, MPH](https://d2icykjy7h7x7e.cloudfront.net/authors/0YiDdNUs8xAgmxZPVUqGDMKXdwheLe7Sy1RZ8VkY.jpg)
Kathryn Rexrode, MD, MPH
Contributor
![photo of Kathryn Rexrode, MD, MPH](https://domf5oio6qrcr.cloudfront.net/medialibrary/12129/Rexrode-Headshot.jpg)
Kathryn Rexrode, MD, MPH
Contributor
![photo of Hope Ricciotti, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/Pf5aKOChTks7A7zU8u1DIWKmrpBqrPJZ1JFyMVLp.png)
Hope Ricciotti, MD
Editor at Large, Harvard Women's Health Watch
![photo of Shauna Rice, BS](https://domf5oio6qrcr.cloudfront.net/medialibrary/10436/Shauna-Rice.jpg)
Shauna Rice, BS
Contributor
![photo of James Richter, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/9728/JamesRichter.jpg)
James Richter, MD
Contributor
![photo of Eric Rimm, ScD](https://d2icykjy7h7x7e.cloudfront.net/authors/PBFTOZYpZqllBwLOAi9IyhAHeNAAhEDLnKSNtMq2.jpg)
Eric Rimm, ScD
Editorial Advisory Board Member, Harvard Health Publishing
![photo of Eve Rittenberg, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/9963/Eve-Rittenberg-Headshot-2018-copy.jpeg)
Eve Rittenberg, MD
Contributor
![photo of Paul Rizzoli, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/T52DQ3658L3W9KSu9vj9H5lTLL6MJZOfNhsW15y8.jpg)
Paul Rizzoli, MD
Contributor; Editorial Advisory Board Member, Harvard Health Publishing
![photo of Celeste Robb-Nicholson, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/35hpVOn8yYHfOiaFRF6eZqOQpFl9jhTfQOBd0uiM.png)
Celeste Robb-Nicholson, MD
Contributor
![photo of Laura K. Rock, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/10114/Laura-Rock-headshot2017-235x300-1.jpg)
Laura K. Rock, MD
Contributor
![photo of Dennis Rosen, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/8312/Rosen.jpg)
Dennis Rosen, MD
Assistant Professor of Pediatrics, Harvard Medical School
![photo of John Ross, MD, FIDSA](https://d2icykjy7h7x7e.cloudfront.net/authors/EP4zm3M7kugHnmdfOwFMUKMNXHkzTa4fez23DanQ.jpg)
John Ross, MD, FIDSA
Contributor; Editorial Advisory Board Member, Harvard Health Publishing
![photo of Natalia S. Rost, MD, MPH, FAAN, FAHA](https://d2icykjy7h7x7e.cloudfront.net/authors/20MPuGS33wQKAec87RvbxLowSa4BaOdaLTv2t4uB.jpg)
Natalia S. Rost, MD, MPH, FAAN, FAHA
Contributor
![photo of Christian Ruff, MD, MPH](https://domf5oio6qrcr.cloudfront.net/medialibrary/9664/Ruff-Christian-MD_HR.jpg)
Christian Ruff, MD, MPH
Contributor
![photo of Emily S. Ruiz, MD, MPH](https://d2icykjy7h7x7e.cloudfront.net/authors/tclAYlpjhwfbLTVKt33KNNdDjGzkft7T0l6Lw1vo.jpg)
Emily S. Ruiz, MD, MPH
Contributor; Editorial Advisory Board Member, Harvard Health Publishing
![photo of Elisabeth J. Ryan, JD, MPH](https://domf5oio6qrcr.cloudfront.net/medialibrary/9356/Elisabeth.jpg)
Elisabeth J. Ryan, JD, MPH
Guest Contributor
Recent Blog Articles
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15010/conversions/14b24cf0-ebd2-43d3-8f8c-4ccd1838241f-micro.jpg)
When should your teen or tween start using skin products?
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15179/conversions/9c2ee9da-d6d9-4ab3-81fa-4e2f021c4b74-micro.jpg)
How — and why — to fit more fiber and fermented food into your meals
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15545/conversions/gettyimages-2148232520-micro.jpg)
Protect your skin during heat waves — here's how
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/13229/conversions/125534d8-67fc-45bb-96b0-d7a413ecc7e3-micro.jpg)
Respiratory health harms often follow flooding: Taking these steps can help
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15514/conversions/gettyimages-1307510221-micro.jpg)
Want to cool down? 14 ideas to try
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/14741/conversions/9fec5c5b-998b-48a5-b669-eeb45b8736f0-micro.jpg)
A fresh look at risks for developing young-onset dementia
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15508/conversions/d28fc67f-70d6-47c4-b157-a20deee38d6a-micro.jpg)
Are you getting health care you don't need?
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15497/conversions/3d92a036-7b55-496b-b1d8-7232f86b43fc-micro.jpg)
Weighing in on weight gain from antidepressants
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15490/conversions/a44ac592-b730-46c0-9e2a-0a4f1dc7b501-micro.jpg)
Dengue fever: What to know and do
![blog image 1](https://domf5oio6qrcr.cloudfront.net/medialibrary/15125/conversions/0bdfa2e1-9764-44f4-ae30-e4f9716e98f2-micro.jpg)
How do trees and green spaces enhance our health?