Harvard Health Content API

My child, age 3, grinds his teeth at night. What can we do to prevent him from doing this? What is this doing to his teeth?

My son is 28 months old and has had seven ear infections. I have heard about putting tubes in the ears for this, but his doctor says we should wait. After how many ear infections should we wait before tubes should be implanted?

Will kelp be harmful to someone with nodules on the thyroid?

My optometrist referred me to an ophthalmic surgeon because I have leakage in the back of my eye. What is this? What may have caused it, and what are the treatments?

What is the oldest age a woman can still take low-dose birth control pills as a form of HRT if no problems exist?

What happens when a patient with Rh-negative blood is given Rh-positive blood or platelets?

My 10-year-old son sometimes complains of pain in the lower portion of his knees. Otherwise he is healthy and active. His diet is balanced and he loves to eat fruits, veggies and poultry. What could be causing this pain?

I recently had a stent placed in an artery. I used to do scuba diving. Can I do so again? I’m concerned about the pressure on my body and stent by being underwater (up to a depth of 125 feet)?

Is 5-HTP safe? I’ve been reading a book that discusses how low levels of serotonin can affect mood. The book suggests trying 5-HTP. I’d like to know more about this from a medical perspective before I try it.

What is retrolisthesis?