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When Memory Changes Are NOT “Just Aging”
A Root Cause CSI™ Perspective on Cognitive Decline in Older Adults When an older adult begins to forget names, lose focus, sleep more, or withdraw from daily life, families are often told the same reassuring—but incomplete—statements: “This is just aging.” “The labs are normal.” “Nothing acute is going on.” From a Root Cause CSI™ perspective, cognitive decline is rarely caused by a single factor—and it almost never appears overnight. What families are usually witnessing is a

Joan Lu
4 days ago3 min read


Gut, Skin, and Immune Symptoms: When to Consider Deeper Functional Testing
Are you dealing with bloating, constipation, diarrhea, or acid reflux—while also struggling with fatigue, brain fog, low energy, or stubborn skin issues like eczema, acne, rashes, or itchy skin? Maybe you’ve noticed food reactions, joint discomfort, frequent infections, or autoimmune flares, yet every time labs are checked, you’re told everything looks “normal.” This is a frustrating and very common experience. And it’s often because these symptoms don’t come from just one sy

Joan Lu
7 days ago3 min read


Diverticulosis vs. Diverticulitis: A Functional Medicine Perspective
In functional medicine, we don’t look at diverticular disease as a sudden problem that appears overnight. We see it as the end result of years of digestive imbalance, altered gut motility, inflammation, and lifestyle stressors. Understanding the difference between diverticulosis and diverticulitis through this lens helps shift the focus from fear and reaction to prevention and resilience. Diverticulosis: A Sign of Chronic Gut Stress Diverticulosis refers to the presence of sm

Joan Lu
Jan 313 min read


Men’s Health Monday: Waking Up at Night to Pee? Weak Urine Flow and Disrupted Sleep in Men
Waking up at night to urinate, noticing a weak urine stream, or struggling with disrupted sleep is a common concern for men—especially after age 40. While these changes are often dismissed as “normal aging,” they can quietly impact energy, mood, productivity, and overall quality of life. Nighttime urination (nocturia) and urinary discomfort are not just sleep issues. They are often connected to prostate health, hormone balance, inflammation, and oxidative stress. This Isn’t A

Joan Lu
Jan 262 min read


My Journey to Functional Medicine
At one point, I was told a diagnosis of endometrial cancer. When I heard those words, everything paused. I began making intentional lifestyle changes. I eliminated dietary triggers, reduced sugar and dairy, focused on inflammation reduction, improved my sleep quality, and managed stress. One month later, the follow-up ultrasound came back clear. I may claim it was a miracle and I also believe it was a message. It showed me that the body is speaking to us. The Shift From Sympt

Joan Lu
Nov 21, 20252 min read


Beyond Blood Sugar: The Hidden Nutrient Deficiencies Behind Diabetes
Meta Description: Discover the hidden micronutrient deficiencies behind diabetes. Learn how vitamins, minerals, and antioxidants support blood sugar balance, insulin sensitivity, and nerve protection through a functional medicine and food as medicine approach. Keywords: diabetes functional medicine, micronutrient deficiencies diabetes, food as medicine for diabetes, natural diabetes management, blood sugar balance, integrative nutrition, micronutrient testing Functional Medic

Joan Lu
Nov 2, 20254 min read
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