Maggie O'Neill

Maggie O’Neill

Maggie O’Neill is a health writer and reporter based in New York who specializes in covering medical research and emerging wellness trends, with a focus on cancer and addiction. Prior to her time at Health, her work appeared in the Observer, Good Housekeeping, CNN, and Vice. She was a fellow of the Association of Health Care Journalists’ 2020 class on Women’s Health Journalism and 2021 class on Cancer Reporting. In her spare time, she likes meditating, watching TikToks, and playing fetch with her dog, Finnegan.

About Health

Health.com, a Dotdash Meredith Brand, is an award-winning online resource for empathetic, trustworthy, and actionable health and wellness information so you can make the best choice for your health. We reach more than 9 million readers a month. We ensure the accuracy of our content by relying on seasoned health journalists, credentialed medical professionals and thorough fact checkers. Learn more about us and our editorial process.

Latest from Maggie O'Neill
Woman Suffers Stomach Pains
Stomach Flu vs. COVID-19: Here's How To Tell the Difference
Woman talking , talking-spread-coronavirus , covid-19 , coronavirus , talking
How Talking Spreads COVID-19
Gilbert Gottfried
Myotonic Dystrophy Is a Rare, Genetic Disease—And Its Link to Ventricular Tachycardia Is Even Rarer
Doctor Injecting COVID-19 vaccine into patient's arm
CDC: Consider an mRNA Shot If You Received a J&J Vaccine and Booster
How-to-Spot-a-Fake-at-Home-COVID-Test-GettyImages-1353111615
How to Avoid Buying a Fake At-Home COVID Test Online
Stages-of-a-Cold-GettyImages-926197268
What Are the Stages of a Cold? Here's When Symptoms Usually Start—And How Long They Can Last
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Asian American Actress Caroline Donica Talks Reconciling the Worlds of Her Adoptive and Birth Parents
See-Her-Dina-Hashem-GettyImages-819955098
Stand-Up Comedian Dina Hashem Explains How Performing Live Allows Her to Embrace Her True Self
My-Mantra-Ginger-Minj-GettyImages-1337703578
'Drag Race' Star Ginger Minj Shares the Mantra She Uses to Pump Up Her Confidence
swollen glands in neck , Female nurse examining throat of young patient in hospital
Swollen Glands in the Neck: How to Know if You Have Them, and What Might Be the Cause
Health Shape Half Marathon , Marathon running in the light of evening
The Shape + Health Women's Half Marathon Is Back! Here's How to Sign Up
See-Her-Mia-Sanchez-Courtesy-Mia-Sanchez
Artist Mia Sanchez, Who Is Deaf, Uses Her Work to Help Her Connect With Others
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Actress Azie Tesfai Shares the Mantra That's Helped Her Overcome Anxiety During the Pandemic
new eye drops get rid of the need for reading glasses
These New Eye Drops Treat Presbyopia—And They Could Lessen the Need of Reading Glasses for Millions of People
Asian-American-Actress-Carolyn-Kang-on-the-Rise-in-Hate-Crimes-After-the-COVID-19-Pandemic-For-The-First-Time-Ever-I-Felt-Like-I-Didn't-Belong
Asian-American Actress Carolyn Kang on the Rise of Hate Crimes During COVID-19: 'I Felt Like I Did Not Belong'
Suezette-Robotham-Diversity-and-Inclusion-In-the-Workplace-Courtesy-of-Jerome-Shaw
A Diversity and Inclusion Leader Explains Why People Code Switch at the Office—And Why They Shouldn't Have To
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Actress Tamera Mowry-Housley, 43, Shares Her Mantra on Staying Optimistic During Life's Challenges
What-Is-a-Head-Cold-GettyImages-1303849519
What Is a Head Cold—And Why Is it Even Called That?
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Artist Morgan Harper Nichols, 31, Shares the Mantra That's Helping Her Through the Pandemic
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Sarah Michelle Gellar Explains What Life During the Pandemic Feels Like for an Asthma Patient
cytomegalovirus symptoms , Woman Checking Her Temperature in Bed
Cytomegalovirus Symptoms Can Look a Lot Like the Flu—Here's What to Know
My-Mantra-Yvonne-Orji-GettyImages-1347993484
'Insecure' Actress Yvonne Orji Shares the Mantra She Repeats When She Feels Overwhelmed
Cytomegalovirus Is a Common Infectious Disease That Can Lead to Birth Defects—Here's What to Know
Cytomegalovirus Is a Common Infectious Disease That Can Lead to Birth Defects—Here's What to Know
Celeb-Deep-Dive-Elizabeth-Hurley-GettyImages-127967145
Elizabeth Hurley Shares How Her Grandmother's Death Showed Her the Importance of Mammograms