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 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
![photo of Margaret O'Connor, PhD, ABPP](https://d2icykjy7h7x7e.cloudfront.net/authors/Gv87iHcCBUAjC5KE3TZrQFnemBx5TvSz5R7qt03f.jpg)
Margaret O'Connor, PhD, ABPP
Contributor
![photo of Michael O'Leary, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/nDldHJQmIG0a2JGKaBedjmpQkEiucQhIIeHiS2UJ.jpg)
Michael O'Leary, MD
Contributor
![photo of Isioma D. Okolo, MBChB, MRCOG, DTMH](https://d2icykjy7h7x7e.cloudfront.net/authors/vQ8RhZVBq3CWP8hvqwcZKJ4JnQI7f76qGFlqB7Ww.jpg)
Isioma D. Okolo, MBChB, MRCOG, DTMH
Contributor
![photo of Barbara Okun, PhD](https://d2icykjy7h7x7e.cloudfront.net/authors/iBXZKgL94cukb96SFmn4CMs5ORIBZ7YufyQRVj7T.jpg)
Barbara Okun, PhD
Contributor
![photo of Nancy Oliveira, MS, RD, LDN, CDCES](https://d2icykjy7h7x7e.cloudfront.net/authors/pwWGcrr51jsaYJ7LkGjqsYLPCEFF966nIBKfiVZ7.jpg)
Nancy Oliveira, MS, RD, LDN, CDCES
Contributor
![photo of Rose McKeon Olson, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/9962/Rose-Olson-headshot-cropped.jpeg)
Rose McKeon Olson, MD
Contributor
![photo of T. Salewa Oseni, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/10479/oseni-1-e1618533269593.jpg)
T. Salewa Oseni, MD
Contributor
![photo of Andrew Oseran, MD, MBA](https://domf5oio6qrcr.cloudfront.net/medialibrary/10237/Oseran_headshot.jpeg)
Andrew Oseran, MD, MBA
Contributor
![photo of Reena L. Pande, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/8218/reena-pande.jpg)
Reena L. Pande, MD
Instructor in Medicine, Harvard Medical School
![photo of Wendy E. Parmet, JD](https://domf5oio6qrcr.cloudfront.net/medialibrary/9357/Wendy.jpeg)
Wendy E. Parmet, JD
Guest Contributor
![photo of Ann Partridge, MD, MPH](https://d2icykjy7h7x7e.cloudfront.net/authors/nYbcZGCD3cy1alYZv5DhlyLREqMGRX22AaKsS2dz.png)
Ann Partridge, MD, MPH
Contributor; Editorial Advisory Board Member, Harvard Health Publishing
![photo of Trisha Pasricha, MD, MPH](https://d2icykjy7h7x7e.cloudfront.net/authors/WQQT4nR0nhGaC6DLisyqpuFw49hvArsQsGCnbWLT.jpg)
Trisha Pasricha, MD, MPH
Contributor
![photo of Vikram Patel, MBBS, PhD](https://domf5oio6qrcr.cloudfront.net/medialibrary/10205/PatelVikram_headshot-1.jpg)
Vikram Patel, MBBS, PhD
Contributor
![photo of Payal Patel, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/EYqQtY7IT4sHjHSCm6liuuklmvBg2G9YswPfregR.jpg)
Payal Patel, MD
Contributor
![photo of Chirag Patel, PhD](https://domf5oio6qrcr.cloudfront.net/medialibrary/9896/Photo_Patel.jpg)
Chirag Patel, PhD
Contributor
![photo of Daniel Pendick](https://d2icykjy7h7x7e.cloudfront.net/authors/Np8Tc83Iet0qbUQJa1HnKBnt2UI22HdxXpKQ2MaB.png)
Daniel Pendick
Former Executive Editor, Harvard Men's Health Watch
![photo of Numa Perez, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/10490/Numa-Perez-formal_portrait_small.jpg)
Numa Perez, MD
Contributor
![photo of Edward Phillips, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/8300/Edward-M.-Phillips-headshot-scaled.jpg)
Edward Phillips, MD
Contributor
![photo of Shiv Pillai, PhD, MBBS](https://domf5oio6qrcr.cloudfront.net/medialibrary/10241/Shiv-Pillai_thumbnail_HMX_FacultyPhoto_Shiv_v02.jpg)
Shiv Pillai, PhD, MBBS
Contributor
![photo of Srini Pillay, MD](https://domf5oio6qrcr.cloudfront.net/medialibrary/8802/srini-velvet-jacket-headshot.jpg)
Srini Pillay, MD
Contributor
![photo of Jorge Plutzky, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/FYSeRb5VJyO0dToUAkQXyhKqOObNbAfim3JAspWU.jpg)
Jorge Plutzky, 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