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
![photo of Claire McCarthy, MD](https://d2icykjy7h7x7e.cloudfront.net/authors/mvCBqecmOmDXOhy74hH3DviJmMAprZqhFgGbhTJL.jpg)
Claire McCarthy, MD
Senior Faculty Editor, Harvard Health Publishing
Posts by Claire McCarthy, MD
![Couch potatoes start early: How to get kids moving featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9684/conversions/iStock-809009472-thumb.jpg)
Claire McCarthy, MD
Couch potatoes start early: How to get kids moving
![Younger kindergarteners more likely to be diagnosed with ADHD featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9671/conversions/iStock-482836467-thumb.jpg)
Claire McCarthy, MD
Younger kindergarteners more likely to be diagnosed with ADHD
![The better way to discipline children featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9658/conversions/iStock-469612008-thumb.jpg)
Claire McCarthy, MD
The better way to discipline children
![Holiday toys for kids: “Back to basics” is best featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9640/conversions/iStock-833415784-thumb.jpg)
Child & Teen Health
Holiday toys for kids: “Back to basics” is best
![Giving babies and toddlers antibiotics can increase the risk of obesity featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9629/conversions/iStock-923552366-thumb.jpg)
Child & Teen Health
Giving babies and toddlers antibiotics can increase the risk of obesity
![Getting your baby to sleep through the night: The good (and maybe not-so-good) news featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9618/conversions/iStock-888422284-thumb.jpg)
Claire McCarthy, MD
Getting your baby to sleep through the night: The good (and maybe not-so-good) news
![AFM: A scary polio-like illness featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9611/conversions/iStock-505965690-thumb.jpg)
Child & Teen Health
AFM: A scary polio-like illness
![What parents need to know — and do — about e-cigarettes featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9422/conversions/iStock-842392590-thumb.jpg)
Claire McCarthy, MD
What parents need to know — and do — about e-cigarettes
![How to have a safe Halloween featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9592/conversions/iStock-1030383314-thumb.jpg)
Claire McCarthy, MD
How to have a safe Halloween
![The real link between breastfeeding and preventing obesity featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9586/conversions/iStock-878706402-thumb.jpg)
Claire McCarthy, MD
The real link between breastfeeding and preventing obesity
![Concussion care for children and teens: What parents need to know featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9578/conversions/iStock-825882012-thumb.jpg)
Child & Teen Health
Concussion care for children and teens: What parents need to know
![Could household disinfectants be making our children fat? featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9574/conversions/iStock-917563406-thumb.jpg)
Claire McCarthy, MD
Could household disinfectants be making our children fat?
![Parents: Don’t use a baby walker featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9571/conversions/iStock-815185648-thumb.jpg)
Child & Teen Health
Parents: Don’t use a baby walker
![Why pregnant and nursing mothers shouldn’t smoke marijuana featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9552/conversions/iStock-841146772-thumb.jpg)
Child & Teen Health
Why pregnant and nursing mothers shouldn’t smoke marijuana
![Meningitis vaccines: What parents need to know featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9528/conversions/iStock-597958828-thumb.jpg)
Claire McCarthy, MD
Meningitis vaccines: What parents need to know
![Can cell phone use cause ADHD? featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9520/conversions/iStock-827572452-thumb.jpg)
Child & Teen Health
Can cell phone use cause ADHD?
![Common food additives and chemicals harmful to children featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9515/conversions/iStock-904281428-thumb.jpg)
Claire McCarthy, MD
Common food additives and chemicals harmful to children
![Warning signs of a concussion featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9509/conversions/iStock-670202670-thumb.jpg)
Claire McCarthy, MD
Warning signs of a concussion
![5 habits for moms that help prevent childhood obesity featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9504/conversions/iStock-860155630-thumb.jpg)
Child & Teen Health
5 habits for moms that help prevent childhood obesity
![How to treat a child’s sunburn featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9500/conversions/iStock-859254392-thumb.jpg)
Claire McCarthy, MD
How to treat a child’s sunburn
![Teens are getting less sleep, which raises heart disease risk featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9495/conversions/iStock-512058184-thumb.jpg)
Child & Teen Health
Teens are getting less sleep, which raises heart disease risk
![Separating children and parents at the border causes lifelong damage featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9489/conversions/iStock-817348278-thumb.jpg)
Child & Teen Health
Separating children and parents at the border causes lifelong damage
![Swimming lessons save lives: What parents should know featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/12680/conversions/075fe1d5-d03e-41a7-805d-b27b55aa5556-thumb.jpg)
Child & Teen Health
Swimming lessons save lives: What parents should know
![Secondhand marijuana smoke and kids featured image](https://domf5oio6qrcr.cloudfront.net/medialibrary/9477/conversions/iStock-510635986-thumb.jpg)
Child & Teen Health
Secondhand marijuana smoke and kids
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