Probiotics and prebiotics boost gut health in 8 weeks.
Probiotics and prebiotics can help gut health, but the 8 week claim is too neat for the evidence.
TM
LifeX analystTessa Morgan
Tessa Morgan is an evidence-minded writer in Boston. She focuses on study quality, uncertainty, consumer claims and the language used to sell weak evidence.
The Most Common Biohacking Claims, Sorted by Evidence
Tonight I keep seeing the same promises in different fonts. The promises sound personal, measurable, and urgent. That is the marketing package. The audit starts with the exact…
Red Light Therapy: What the Claims Outrun
Tonight I keep seeing the same promise in different fonts: “Red light therapy speeds recovery.” It sounds simple. It implies your body fixes damage faster when you add a…
Sauna Longevity Claims: What the Studies Really Show
“Using sauna improves longevity.” That is the promise hiding inside a lot of sauna marketing. In plain language, it sounds like regular heat exposure helps people live longer.…
What Are Senescent Cells?
I start with a simple question that keeps circling back in labs and headlines: what are senescent cells, really? I want to see the shape of the idea before I let it swell into…
Partial Reprogramming: The Boldest Aging Idea in the Room?
Today’s aging conversation has a new favorite phrase: partial reprogramming. The pitch is simple and bold. Turn parts of a cell back toward a more youthful state, without fully…
Can Organs Be Repaired Instead of Replaced?
Tonight I kept circling one idea: can we truly fix failing organs, or are we mostly dressing up replacement? The difference matters. Replacement is big and risky because you…
Gene Therapy for Aging: What Would It Need to Prove?
The claim being examined: “Gene therapy can treat aging, or even slow or reverse aging.”
Which Aging Breakthrough Headline Should You Trust?
I am tired of headlines that sound exciting but shrink when you look at the evidence. This quiz helps you spot the red flags in aging research stories, so you can separate real…
NMN Claims: What Human Studies Actually Show
That is the promise people keep hearing. In plain language, it usually means NMN raises cellular energy chemicals, slows aging, and improves health in a way that shows up in…
Rapamycin and Longevity: Why the Evidence Is Both Exciting and Incomplete
That promise is doing a lot of work. In plain language, it means the drug slows aging in people in a way that adds years, not just fixes a lab number. The word “extends” also…
Metformin as an Anti-Aging Drug: Claim vs Evidence
The claim is simple: metformin is an anti-aging drug. It is said to slow aging, extend life, and protect health over time. That is much stronger than saying it treats a…
Resveratrol: How a Famous Longevity Story Aged
I have watched resveratrol age like a celebrity whose photo keeps getting recycled with new headlines. The idea was simple and tempting: a plant compound found in grapes and…
How Supplement Labels Turn Possibility Into Promise
Today I stared at a supplement label long enough for the design to stop looking friendly. The claim sounded clean and specific, like it came from a solid study. Then my eyes…
Can You Spot the Weak Supplement Claim?
I am interested in how a “maybe” turns into a “proven.” In supplement marketing, weak evidence often gets dressed up as strong proof. This quiz uses fictional examples for a…
The Longevity Clinic Business Model
I keep returning to the same question when I look at longevity clinics: what actually motivates the model, beyond the feel of cutting edge science? The clinic world has a knack…
Ten Red Flags in a Longevity Claim
I am trying to keep my eyes open. Longevity pitches move fast, and hype often hides a weak study. This list is my practical check list for readers who want to slow down and see…
The Mouse Study Problem
I am thinking about a small thing that often grows into a big claim. A mouse study. A lab with mice, a tweak of a molecule, a result that looks impressive in a test tube of…
How Testimonials Replace Evidence
Today I gave a quick read to a claim that promises a dramatic life extension with a simple program. The promise is loud enough to grab attention, but the wording hides the real…
The Language of Miracle Longevity Marketing
I start with a simple question I keep returning to: what does it mean when a product promises “miracle longevity”? It sounds hopeful, but marketing often trims the edges of…
When a Doctor's Title Is Used to Sell Too Much
Today, I saw a claim that leaned hard on authority. It was an ad-style piece, all smooth language and big promises, and then that one key detail that tries to do the persuading…
Can You Spot the Longevity Scam Pattern?
I look at new claims the way a detective looks at footprints. If a claim shrinks when you hear how weak the evidence is, that is a good sign. I am not fooled by loud ads or…