Water is essential to health, but when it's not clean, it can cause serious diseases.

Questioning what health care should accomplish is a tricky, complicated thing to do.

It can be tricky to find the right doctor and avoid the bad ones.

The Centers for Disease Control and Prevention are now telling doctors to stop prescribing the addictive pain-killers for long-term pain management.

A new movement called OpenNotes proposes that doctors open their personal notes so patients can read what they have to say about their individual health.

A recent study in the American Journal of Preventative Medicine warns that sitting down can increase the risk of early death.

Dr. Jon Hallberg discusses a Harvard health study on happiness that's now back in the public eye.

A recent study in the latest edition of the New England Journal of Medicine says Zika virus "infection during pregnancy appears to be associated with grave outcomes."

When was the last time your doctor said to you, "Can we talk?" And what difference would having a conversation really make?

There are concerns about the long-term use of proton pump inhibitors, which are used to treat acid reflux and other stomach problems.

It's cold and flu season, and for many of us, that means dealing with an epidemic of absences at work.

Innovation in medicine doesn't always mean coming up with a new device or drug.

Dr. Jon Hallberg joined MPR News' Tom Crann to discuss why physical activity is so important and how to talk about it with your doctor.

Dr. Jon Hallberg joined Tom Crann to talk about the implications of former President Carter's announcement that drug treatments have left him cancer-free.

An effort at the National Institutes of Health seeks to provide an innovative approach to study mystery conditions and help patients with yet-to-be-diagnosed diseases.

A panel of physicians from the American Medical Association have voted in favor of a ban on what are called "direct-to-consumer" pharmaceutical ads.

At some point in your life, chances are you'll need a new primary care physician. Where should you start?

A study on blood pressure was stopped more than a year early by the National Institutes of Health because the results were so clear to researchers.

The annual return to school heralds another rite of passage for adolescents: the meningitis vaccine.

Many of us have heard the recommendation to drink eight glasses of water a day, but a recent New York Times article says that's simply not true.

Providers and health organizations -- including Mayo Clinic -- are now encouraging all adults to be tested for the virus at least once.

The Food & Drug Administration is re-evaluating the relationship between drugs like ibuprofen and the risk of heart attack or stroke.

A new study suggests the increase in whooping cough cases is largely due to a growth in asymptomatic carriers.

A new study raises questions about the benefits of medical marijuana.