
Fishtown Medicine Library
Longevity & Healthspan
Add life to your years, and years to your life.

What the NHS-Galleri Trial Actually Showed (And What It Means For Your Screening)
The largest randomized trial of a multi-cancer early detection blood test just published. Here is what 142,000 participants over three years actually proved about Galleri, with the honest read on what the results mean for cancer screening.
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Microplastics in Philadelphia: What to Do
A practical, evidence-honest playbook for reducing microplastic exposure in Philadelphia households. The five changes that do most of the work, the ones that dont, and how to read the headlines.

Pollen in Philadelphia: What to Do at Each Tier
A practical pollen guide for Philadelphia: tree, grass, and weed calendar; sensitivity-tuned watch tiers; pre-treatment timing for antihistamines and nasal steroids; indoor air strategy; when to involve an allergist.

Air Quality in Philadelphia: What to Do at Every AQI
A Philadelphia internal medicine doctor on what the Air Quality Index actually measures, who is at higher risk, and the specific moves worth taking at every AQI tier - from a normal day on the Schuylkill Trail to a Canadian-wildfire smoke event.

Severe Weather in Philadelphia: What to Do When the Alert Hits
A Philadelphia internal medicine doctor on the National Weather Service alerts that actually matter for your health, the medications and conditions that change the calculus, and the specific moves worth taking from a heat advisory to a flash flood warning.

UV Index in Philadelphia: What to Do at Every Tier
A Philadelphia internal medicine doctor on what the UV Index actually measures, who burns at what tier, the vitamin D trade-off, and the specific moves worth taking from a low spring morning to a peak summer day at the Jersey Shore.
The Architecture of Facial Aging
Facial aging is not just wrinkles. It is the fat pads deflating, the bone receding, and the ligaments pulling. Understanding the layers explains the tired look, and points to what you can actually control.
Counterfeit Skincare and Supplements
Third-party online marketplaces are full of fake, diverted, and expired skincare and supplements. Why it matters more for what you put on and in your body, and how to buy the real thing.
Healthy Skin Aging
Most of what looks like aging skin is sun damage, not the calendar. The small set of interventions with real evidence (sunscreen, retinoids, glucose control), why your skin mirrors how the rest of you is aging, and the anti-aging hype worth ignoring.
Sun Protection for Shore Season
How to actually protect your skin through a Philadelphia summer and a long day at the Jersey Shore: cover up first, use enough sunscreen, and treat a burn right.

Is Coffee Medicine? The Definitive Guide to Longevity.
Discover the evidence-based health benefits of coffee. From reducing Type 2 diabetes risk to neuroprotection, learn the healthiest way to brew with Dr. Ash.

You Are as Old as Your Arteries
You have a birthdate, but how fast are you aging? Dr. Ash uses advanced epigenetic clocks (DunedinPACE) to measure your rate of aging.

Catching It Early: Advanced Screening
Early detection is the best cure. Dr. Ash integrates Liquid Biopsy (Galleri) and Whole Body MRI (Prenuvo) into a detailed cancer defense strategy.

Protect Your Brain: Neuroprotective Strategy
Alzheimer's doesnt start when you forget your keys. It starts 20 years earlier. Dr. Ash uses the Bredesen Protocol (Recode 2.0) to identify and plug the met...

Philly Living: Environmental Defense
From the Schuylkill Trail to South Street - managing air, water, noise, and urban life in Philly. Practical health strategies for thriving in the city we love.

Walk Your Way to Health in Philly
Yes, parking sucks. But Phillys walkability, Indego bikes, and SEPTA (when it shows up) are secret weapons for metabolic health. Heres how to use them.

Sleep: The Foundation of Recovery
You cannot out-diet or out-train poor sleep. Dr. Ash uses clinical data (HRV, Oura) and CBT-I strategies to reverse insomnia and optimize recovery.

Bone Health: Quality over Quantity
A hip fracture in your 80s can be lethal. Discover why standard DEXA scans miss bone quality issues and how much-needed resistance training builds structural...

The Clinical Toolkit: Why We Send You to Wirecutter
We dont sell gear. We curate efficacy. Here is the vetted list of tools to operationalize your health.

HSA/FSA Longevity Playbook
Learn how to legally use your pre-tax HSA and FSA dollars to fund your longevity medicine, supplements, and gym memberships.

Oral Health & Longevity
Why your mouth is the gateway to systemic health. Discover the heart-mouth connection, why mouthwash might be raising your blood pressure, and probiotic dent...