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Diagnostics & Testing Articles

Advanced Lab Testing That Finds What Traditional Testing Misses

Functional medicine uses specialized testing to reveal patterns that standard bloodwork often misses. These articles explain the advanced diagnostic tools we use — from comprehensive blood panels and gut testing to hormone analysis and autonomic nervous system evaluation — and how they guide personalized treatment.

Browse our diagnostics articles below, or explore our advanced diagnostic testing services to see what testing might be right for you.

Woman at home in Allen, TX experiencing burning and tingling nerve pain

Why Won’t My Nerve Pain Go Away? Root Causes Behind Burning, Tingling, and Numbness

Nerve pain is more common than people realize, and it is rarely as simple as it looks If burning, tingling, shooting pain, numbness, pins and needles, or a strange hypersensitivity

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Melissa Chester, Founder of InfusaLounge Integrative & Functional Medicine, cuts the ribbon with the Allen Chamber of Commerce at the practice's location at 190 E Stacy Rd # 1720 in Allen, Texas, marking the milestone of the city's first and longest-running IV therapy clinic.

8 Years in Allen, Texas: How InfusaLounge Became the City’s First and Longest-Running IV Therapy Clinic

When I opened InfusaLounge in April 2018, Allen had no dedicated IV therapy clinic. There were med-spas that offered an occasional drip, hospitals that ran fluids on inpatients, and primary

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Latest Articles

A woman in athletic wear ties her running shoes on a sunlit porch step in a suburban Texas neighborhood in early-morning light.

The Real Reason GLP-1 Results Vary So Much (It’s Not Semaglutide vs. Tirzepatide)

New 2026 real-world data shows GLP-1 persistence — not the choice between semaglutide and tirzepatide — drives results, and structured medical support is what keeps patients on track.

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Young woman sitting on the edge of her bed in the morning, holding her forehead with dizziness and fatigue typical of POTS symptoms.

40 Top Doctors Just Agreed: Antidepressants Aren’t the First Answer for POTS

The first-ever international expert consensus on POTS and dysautonomia confirmed what patients have said for years — and it's reshaping how the condition is diagnosed and treated.

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NovaPod 2.0 full-body red light therapy chamber at InfusaLounge Integrative & Functional Medicine in Allen, Texas, delivering red light, near-infrared, infrared heat, PEMF, terahertz therapy, and supplemental oxygen

Red Light Therapy for Fibromyalgia & Widespread Pain: Why the NovaPod 2.0 Is Different

By Melissa Chester, BBA · Medically reviewed by Phyllis J. Gee, MD, FACOG Published September 28, 2026 · Last reviewed September 28, 2026 When discomfort is widespread, recovery should be

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