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
Child & Teen Health
Sexually transmitted infections: What parents need to be sure their teens know
Child & Teen Health
Concussion in children: What to know and do
Child & Teen Health
When should your teen or tween start using skin products?
Child & Teen Health
What is a tongue-tie? What parents need to know
Child & Teen Health
Do toddler formulas deliver on nutrition claims?
Child & Teen Health
Do children get migraine headaches? What parents need to know
Child & Teen Health
Navigating middle school is tough: How parents can help
Child & Teen Health
The new RSV shot for babies: What parents need to know
Child & Teen Health
Chronic stomach pain in children: What's the most common cause?
Child & Teen Health
Tourette syndrome: Understanding the basics
Child & Teen Health
Ringworm: What to know and do
Child & Teen Health
Play helps children practice key skills and build their strengths
Child & Teen Health
Swimming and skin: What to know if a child has eczema
Child & Teen Health
Lead poisoning: What parents should know and do
Child & Teen Health
Helping children make friends: What parents can do
Child & Teen Health
Does your child need to gain weight?
Child & Teen Health
Why play? Early games build bonds and brain
Child & Teen Health
New pediatric guidelines on obesity in children and teens
Child & Teen Health
Curbing nearsightedness in children: Can outdoor time help?
Child & Teen Health
Sibling rivalry is normal — but is it helpful or harmful?
Child & Teen Health
Concerned about your child's development?
Child & Teen Health
How to help your preschooler sleep alone
Child & Teen Health
New advice on melatonin use in children
Child & Teen Health
Asking about guns in houses where your child plays
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
