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Health Information

Cold hands, a racing chest — the autonomic nervous system that regulates blood flow

Cold hands and a racing heart despite normal tests—is it autonomic? Blood flow and heart rate are controlled differently by region, so one cause cannot be assumed; chest pain, sudden breathlessness, or one-sided leg swelling needs medical assessment first.

Dr. Heo Ji-young 3/4/2026 · 8 min read
Health Information

Is Korean Medicine Science? — Explaining Herbal Medicine Through Compounds, Blood Flow, and Microbes

How does herbal medicine work in the body? Its compounds may act through different routes involving circulation, nerves, fluids, and gut-microbe metabolism, so responses can vary with a person's condition.

Dr. Heo Ji-young 2/26/2026 · 8 min read
Metabolic Syndrome Clinic

Post-Meal Drowsiness and Chronic Fatigue: A Signal from Your Metabolism

Why do I get so sleepy after eating? Post-meal drowsiness and lasting fatigue can reflect digestive, nerve, and insulin responses—not low blood sugar alone.

Dr. Heo Ji-young 2/22/2026 · 6 min read
Intractable Conditions Clinic

Even a Disease That Won't Heal Has an Order — Why I Look at the Mechanism Again

Why am I still not better after seeing so many doctors? Long-standing symptoms can reflect burdens layered over time, so test results, current medicines, and the course of change are reviewed together; do not stop existing treatment on your own.

Dr. Heo Ji-young 2/14/2026 · 6 min read
Autonomic Nervous System Clinic

The Tests Are Normal, But You Still Feel Unwell — Explaining Herbal Medicine Through Modern Pharmacology

Why do I still feel unwell when my tests are normal? Symptoms can remain when tests show no clear structural damage but circulation, nerve, or digestive regulation is disrupted.

Dr. Heo Ji-young 2/11/2026 · 8 min read