
Can a routine vaccine prevent dementia?

Some adults may need a measles booster shot. Who should get one and why?

Less butter, more plant oils, longer life?

Healthier planet, healthier people

Counting steps is good — is combining steps and heart rate better?

Appendix pain: Could it be appendicitis?

Can saw palmetto treat an enlarged prostate?

How does Ozempic work? Understanding GLP-1s for diabetes, weight loss, and beyond

Zinc: What it does for the body, and the best food sources

Respiratory health harms often follow flooding: Taking these steps can help

Claire McCarthy, MD
Senior Faculty Editor, Harvard Health Publishing
Posts by Claire McCarthy, MD

Claire McCarthy, MD
6 reasons children need to play outside

Claire McCarthy, MD
4 things to know about ticks and Lyme

Child & Teen Health
Do we need to take tackling out of youth football?

Child & Teen Health
Why we all really need Screen-Free Week this year

Claire McCarthy, MD
3 ways to help get more children immunized

Claire McCarthy, MD
A tired child? What you should know

Child & Teen Health
Giving antacids and antibiotics to babies can lead to allergies

Claire McCarthy, MD
Why we shouldn't demonize formula feeding

Claire McCarthy, MD
Good news: Fewer teens are being bullied

Claire McCarthy, MD
Does your child need a tonsillectomy?

Claire McCarthy, MD
In children and teens, depression doesn’t always look like sadness

Child & Teen Health
Scary news about childhood obesity

Child & Teen Health
4 tips for raising well-behaved children

Child & Teen Health
Guns are killing our children. It’s time we did something

Claire McCarthy, MD
This Valentine’s Day, 14 ways parents can show love for their children

Child & Teen Health
4 things all parents should do to help prevent sexual abuse

Child & Teen Health
Why teenagers eat Tide pods

Child & Teen Health
The crucial brain foods all children need

Claire McCarthy, MD
When to worry about your child's sore throat

Child & Teen Health
3 New Year’s resolutions all families can (and should) make

Child & Teen Health
More than half of today’s children will be obese adults

Child & Teen Health
7 ways to prevent holiday stress — for your children

Child & Teen Health
Using social media to help parents get vaccine questions answered

Diseases & Conditions
Why parents should save their baby's cord blood — and give it away

Can a routine vaccine prevent dementia?

Some adults may need a measles booster shot. Who should get one and why?

Less butter, more plant oils, longer life?

Healthier planet, healthier people

Counting steps is good — is combining steps and heart rate better?

Appendix pain: Could it be appendicitis?

Can saw palmetto treat an enlarged prostate?

How does Ozempic work? Understanding GLP-1s for diabetes, weight loss, and beyond

Zinc: What it does for the body, and the best food sources

Respiratory health harms often follow flooding: Taking these steps can help