Yoon Hang Kim MD - Integrative Functional Medicine and LDN Community (Page 5)

rapamycine

Rapamycin (found in Rapa Nui or Easter Island) Beyond Transplant Medicine: Longevity, Mast Cell Activation Syndrome, and Autoimmune Disease Through a Functional Medicine Lens

Yoon Hang "John" Kim, MD, MPH Board-Certified in Preventive Medicine | Integrative & Functional Medicine Abstract Rapamycin (sirolimus), an mTOR inhibitor originally developed for transplant immunosuppression, has emerged as the most extensively studied pharmacologic candidate for mammalian lifespan extension and is now being explored for immune dysregulation conditions

breast cancer

A CLINICAL DISCUSSION: Hormone Replacement Therapy After Breast Cancer A Multidisciplinary Case Discussion

BY Yoon Hang Kim, MD, MPH ◆ ◆ ◆ When Standard Guidance Meets Unusual Biology HYPOTHETICAL CASE DISCUSSION For educational and clinical reasoning purposes only EXECUTIVE SUMMARY The Question at the Center of This Case A postmenopausal woman with a complex breast cancer history sits at the intersection of three competing risks: progressive

LDN Support Group FB Q&A Aug 28, 2026 5:05 PM Central Time

LDN Q&A: Neuropathic Pain, MCAS, Insomnia, Microdosing, and What to Do When LDN Causes Side Effects Low dose naltrexone (LDN) is often discussed as though there is one standard dose, one predictable response, and one straightforward way to use it. In clinical practice, it is rarely that simple.

Mast Cell Activation Syndrome Versus Mastocytosis - Distinguishing Activation from Proliferation in Clinical Practice

Yoon Hang Kim, MD, MPH Board-Certified in Preventive Medicine | Integrative & Functional Medicine Physician Important: This article is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Mast cell disorders require individualized evaluation by qualified specialists. If you experience symptoms suggestive of anaphylaxis — airway compromise,

A CLINICAL DISCUSSION Hormone Replacement Therapy After Breast Cancer A Multidisciplinary Case Discussion

BY Yoon Hang Kim, MD, MPH ◆ ◆ ◆ When the Blanket Contraindication Doesn't Quite Fit HYPOTHETICAL CASE DISCUSSION For educational and clinical reasoning purposes only EXECUTIVE SUMMARY The Question at the Center of This Case A postmenopausal woman with a complex breast cancer history sits at the intersection of three

saffron

Saffron for Sleep: What the Evidence Actually Says — and How It Stacks Up Against Melatonin

By Yoon Hang "John" Kim, MD, MPH Most of my patients who struggle with sleep have already tried melatonin. Some of them are taking 10 mg — or more — every night, and they're still staring at the ceiling. When I bring up saffron, I usually get the

Understanding Fatty Liver Disease - Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD)

A Guide for Patients and Their Families If your doctor told you that you have a "fatty liver," you're not alone — and it doesn't mean you did anything wrong. This is one of the most common liver conditions in the world, and the good

amlexanox

Amlexanox for MCAS and Long COVID: What Does the Evidence Actually Show?

saffron

Saffron (Crocus sativus): The Evidence for Sleep Quality and Sexual Function

What the Clinical Trials Actually Show About One of Integrative Medicine's Most Interesting Botanicals Yoon Hang Kim, MD, MPH Board-Certified in Preventive Medicine | Integrative & Functional Medicine Physician Important: This article is for educational purposes only and does not constitute medical advice. Saffron supplementation should be discussed

Heart Health Supplements

Heart Health Supplements: What Does the Evidence Actually Show?

A Clinician's Guide to CoQ10, Omega-3s, Magnesium, Cocoa Flavanols, Beetroot Nitrates, and Resveratrol Yoon Hang Kim, MD, MPH Board-Certified in Preventive Medicine | Integrative & Functional Medicine Physician Disclaimer: This article is for educational and informational purposes only and does not constitute personalized medical advice. Supplements can

eczema

When Nothing Stops the Itch

Treatment-Resistant Eczema Pruritus: Conventional, Integrative, and Chinese Herbal Approaches Yoon Hang Kim, MD, MPH | Board-Certified in Preventive Medicine | Integrative & Functional Medicine Physician For many people living with atopic dermatitis, the defining burden is not the visible rash. It is the itch. Chronic pruritus destroys sleep, fractures concentration,

Low-Dose Naltrexone Is Not a Rescue Medication: Setting Realistic Expectations for a Regulatory and Modulatory Therapy

Yoon Hang Kim, MD, MPH Board-Certified in Preventive Medicine | Integrative & Functional Medicine Physician Introduction Low-dose naltrexone (LDN) has gained increasing recognition as a valuable tool in integrative and functional medicine, particularly for chronic inflammatory, autoimmune, and neuroimmune conditions. However, as clinical interest in LDN has grown, so