If you’ve ever struggled with insomnia, you’ve likely heard of melatonin. This nutritional supplement has been widely available in drug stores, health food stores and grocery stores for years, and touted as a natural sleep aid. It even comes in doses meant for children.
But what is melatonin? And is it safe for cancer patients to take during treatment?
We checked in with pulmonologist Saadia Faiz, M.D., for answers....

Anxiety is a normal reaction to a perceived threat or stressful situation. It can range from mild nervousness to a full-blown panic attack...
As a horse trainer, Trey Bullinger spends hours in the saddle every day. That’s why he blamed hemorrhoids when he noticed blood in his...
Ever logged into MyChart to check on some lab test results, then just stared blankly at the screen once you saw them? You’re not alone.
Unless you work in the medical field, figuring out what all of those values mean and how to interpret them can sometimes be a challenge.
We sought insight from Adriana Maria Knopfelmacher-Couchonal, M.D., a specialist in Laboratory Medicine. Here’s what she had to say.
How are...

A cancer diagnosis can stir up fear – fear of the loss of life, as well as fear of changes to quality of life.
But it can also cause...
If you or a loved one have recently been diagnosed with cancer, you may be hearing a lot of terms like stage, grade, prognosis or minimal...
What if we could know more about a tumor just from a patient’s blood sample? While this concept is well-established with blood cancers like...
Many cancers grow when there’s a glitch in the DNA of our cells. Sometimes that error is passed down from a parent to their child, and sometimes...
If you’ve recently received a cancer diagnosis, you may have heard the word “metastasis” or been asked by someone if your cancer has metastasized...
Thousands of people will get screening exams for breast cancer, cervical cancer and lung cancer this year. Others will get diagnostic tests...