Medical Expert
Board-Certified Dermatologist - Dermatology
Dr. Jenny Liu is a board-certified dermatologist and assistant professor who writes about medical dermatology, skin health and practical self-care.
Latest Articles
By Katherine George I was standing in my kitchen at 4:17 p.m. last Tuesday, stirring a cup of coffee that had gone cold, when I heard it—the unmistakable thud of a toddler head hitting the floor in...
13 min read - July 19, 2026
By ActiveBeat Editorial My daughter’s third-grade teacher pulled me aside last Tuesday, not about math or reading, but about sleep. “She’s been yawning through morning meeting all week,” she said. I’d b...
11 min read - July 19, 2026
By ActiveBeat Editorial Introduction: The Real Story Behind Screen Time and Brain Development My two-year-old niece, Lily, sat on the living room floor last Tuesday, her face bathed in that pale, flicke...
10 min read - July 19, 2026
By Katherine George Why Every Parent Needs to Know the Typical vs Atypical Milestone Map I'll never forget the morning my friend Sarah called me, her voice shaky. Her 14-month-old son Ethan had just...
12 min read - July 19, 2026
By Katherine George Last Thanksgiving, I watched my cousin demolish three plates of stuffing and two slices of pie, then lean back and announce she was “watching her figure.” She wasn't lying — she'...
12 min read - July 18, 2026
By Patty Weasler, RN Three months into a strict low-carb plan, my jeans felt looser every week—until they didn't. The scale froze at 162 pounds for 18 straight days, and I was too exhausted to care....
11 min read - July 18, 2026