• Eat Better
  • Get Fit
  • Manage Weight
  • Live Well
  • More
    • Challenges
    • Topics A-Z
    • Category Directory
    • About Us
JOIN OUR NEWSLETTER
JOIN OUR NEWSLETTER
Christine Yu
Christine Yu is a freelance writer covering health, fitness, science, and nutrition.
  • Author (9)
By Christine Yu
Doctor in green uniform wearing glasses and face mask talking to patient
What You Should and Shouldn’t Do if You Have a Positive COVID-19 Antibody Test
Health
By Christine Yu
close up of Black person washing hands
What People With Heart Disease and Diabetes Need to Know About Their COVID-19 Risk
Health
By Christine Yu
Athlete sprinting up stairs in cold.
How Exercise Can Help You Deal With Anger — and the Best Workouts to Try
Fitness
By Christine Yu
Young Woman and man sitting 6 feet apart, wearing masks and gloves.
What Is Herd Immunity, Anyway?
Health
By Christine Yu
top view of a plate with a clock on it, to represent intermittent fasting
Why Fasting Causes Autophagy — and What's the Deal With That, Anyway?
Health
By Christine Yu
Blue and yellow illustration of the effects of added sugar on the body with hand holding cupcake
What Really Happens to Your Body When You Eat Refined Sugar
Nutrition
By Christine Yu
A doctor showing a patient his test results on a tablet computer
What Is Metabolic Syndrome, Exactly?
Weight Management
By Christine Yu
Colorful personalized vitamins spilling out of a white bottle and forming a question mark on a yellow background
Are Personalized Vitamins Worth the Hype?
Nutrition
By Christine Yu
Refrigerated chicken legs in store marked for recall
2 Million Pounds of Chicken Are Being Recalled — Here's What You Should Know
Health
Subscribe for More
Select an option below for personalized health tips delivered daily.
See Our Privacy Notice
  • About Us
  • Editorial Standards
  • Contact Us
  • Meet Our Experts
  • Advertise
  • Terms of Use
  • Privacy Notice
  • Cookie Notice
  • Accessibility
Partner & Licensee of the Livestrong Foundation
leafgroup.com

Copyright © 2025 Leaf Group Ltd. Use of this web site constitutes acceptance of the Livestrong.com Terms of Use , Privacy Notice , Cookie Notice and Copyright Policy . The material appearing on Livestrong.com is for educational use only. It should not be used as a substitute for professional medical advice, diagnosis or treatment. Livestrong is a registered trademark of the Livestrong Foundation. The Livestrong Foundation and Livestrong.com do not endorse any of the products or services that are advertised on the web site. Moreover, we do not select every advertiser or advertisement that appears on the web site-many of the advertisements are served by third party advertising companies.

Manage Preferences | California Notice of Collection