Kaitlin Sullivan

Woman with blonde hair and a white button down shirt smiling.
Title: Freelance health and science journalist
Education: CUNY Graduate School of Journalism
Expertise: genetics, cancer, Covid-19, environmental health, heart health, inflammatory bowel disease, sexual and reproductive health
  • Award-winning health and science journalist


Kaitlin Sullivan is a health and science journalist based in Colorado. She's a contributor to NBC News and has reported for NPR, The Guardian, VICE and Popular Science, among others. She's been part of multiple award-winning investigations into health topics including the international medical device industry and maternal mortality in New York City.

There is always something new to learn.


Kaitlin has a master's degree in health and science reporting from the Craig Newmark Graduate School of Journalism at CUNY.

About Health

Health, 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 Kaitlin Sullivan
Woman getting her blood drawn
Could a Blood Test Help Detect Anxiety Disorders?
Family sharing a meal together
Study Finds the Mediterranean Lifestyle, Not Just Diet, May Improve Heart Health
Woman sleeping
Study: Too Little or Too Much Sleep May Increase Your Chance of Infection
woman with abdominal pain clutching stomach on bed
IBD Symptoms May Show Up Years Before Clinical Diagnosis, Study Shows
two older women walking outside
An Additional 500 Steps Daily Lowers Cardiovascular Disease Risk for Older Adults
Woman getting a mammogram
MRIs May Detect Cancer in Dense Breasts Better Than Mammograms—Should You Get One?
woman on couch experiencing abdominal pain
Does Gravity Cause IBS? What to Know About One Surprising New Theory
multiple alcoholic drinks on a table.
Naltrexone: How Taking a Pill May Help Curb Binge Drinking
healthcare provider swabbing senior male for viruses
Is It COVID, Flu, or RSV? Here's How to Really Know What's Making You Sick
blurry woman with newborn looking out window
A New Fast-Acting Pill for Postpartum Depression May Soon Be Available
woman having blood pressure measured by physician
Most People Don't Know What a Normal or Healthy Blood Pressure Is, Study Shows
female doctor talking to male patient
Breast Cancer Survival Rates Have Steadily Improved for Women—But Not for Men
physician holding stool sample container while talking to patient
Study: Many People Don't Follow Up With a Colonoscopy After a Positive Stool Test
woman sleeping with humidifier running
Why You Shouldn't Use Tap Water in Humidifiers, Neti Pots, or Other Home Medical Devices
paxlovid medication in box
Is Paxlovid Still Effective Against New COVID Variants?
older woman practicing yoga in living room
Study: Adding Yoga to a Regular Exercise Routine May Help Improve Cardiovascular Health
older woman hurrying up stairs with flower in hand
A Few Quick Bursts of Physical Activity Each Day May Lead to a Longer Life, Study Shows
close-up of woman drinking alcohol alone
Drinking Alcohol Increases Cancer Risk—But Very Few Americans Are Aware of the Link
healthcare provider speaking to elderly man in hospital setting
FDA Approves First Fecal Transplant Therapy for Recurrent C. Diff Infection
senior male taking ice bath
Cold Plunging Is All Over TikTok—But Is It Safe?
family gathering at table for holiday meal
7 Tips to Keep Your Guests (and Yourself) Healthy During Holiday Gatherings
healthcare provider reading mammogram results to patient.
Benign Breast Lumps May Increase Breast Cancer Risk in the Long Term, Research Shows
two people looking at tiktok on phone
Is Mouth Taping Dangerous? Why Experts Warn Against Trying TikTok's Latest Trend
Illustration of a man showing the doctor shingles on his lower back.
Having Shingles May Increase Long-Term Risk of Heart Attack, Stroke