Index/Organizations/MDPI

MDPI

Publisher of open access scientific journals

Fact-Checks

48 results
Oct 18, 2025
Most Viewed

Can certain medications induce dry orgasm in men?

Medications can impair male sexual function, and ; however, the literature in the provided set does not consistently label these effects as “dry orgasm” and many studies emphasize erectile dysfunction...

Dec 15, 2025
Most Viewed

Do vacuum erection devices cause permanent penile lengthening or girth changes?

Medical literature and major patient-facing outlets say vacuum erection devices (VEDs)/penis pumps do not produce permanent increases in penile length or girth; they provide temporary engorgement and ...

Nov 20, 2025
Most Viewed

Could honey's compounds plausibly affect brain health or cognitive decline?

Laboratory and animal studies, plus several narrative reviews, report that honey contains phenolic and flavonoid compounds with antioxidant and anti‑inflammatory activity that can protect neurons, red...

Dec 9, 2025

Is there scientific evidence that gelatin or collagen aids rapid weight loss?

Clinical trials and reviews give modest, mixed evidence that gelatin or specially treated collagen can modestly reduce appetite or body weight when used as part of a diet program: a 12‑week randomized...

Jan 13, 2026

What supplements help with post-COVID inflammation?

Post‑COVID (long COVID) inflammation is a heterogeneous, low‑grade immune activation that researchers have targeted with dietary strategies and supplements; some agents — notably vitamin D, omega‑3 fa...

Jan 12, 2026

What high‑quality clinical trials exist evaluating long‑term cognitive effects and safety of popular nootropic supplements?

High-quality, long-duration randomized controlled trials (RCTs proving durable cognitive benefits or long‑term safety for popular nootropic supplements are scarce: most human trials are small, short (...

Dec 9, 2025

How does bacopa interact with other supplements or medications affecting cognition?

Bacopa monnieri can alter drug metabolism via inhibition of several cytochrome P450 enzymes (notably CYP3A4, CYP2C9 and CYP2C19) and may therefore raise or lower blood levels of drugs processed by tho...

Dec 16, 2025

How do the antioxidant and anti-inflammatory properties of honey influence brain aging?

Laboratory and animal studies report that honey’s phenolic and flavonoid compounds reduce oxidative stress markers and some neuroinflammatory signals, and in multiple rodent models this corresponds wi...

Dec 15, 2025

Is there scientific evidence that honey can treat or prevent dementia?

Laboratory and animal studies report that honey’s antioxidant, anti‑inflammatory and other bioactive compounds can protect neurons and improve memory in models — multiple reviews and preclinical paper...

Dec 2, 2025

How do vaccines compare to infection in producing transient versus persistent spike protein?

Studies and reviews show both SARS‑CoV‑2 infection and COVID‑19 vaccination can leave detectable spike protein or spike fragments in blood or tissues for longer than early models predicted; reports do...

Jan 12, 2026

Which OTC supplement ingredients have randomized controlled trial data for modest weight loss, and what are their effect sizes?

Randomized controlled trials support modest average weight loss for a handful of over‑the‑counter (OTC) ingredients: notable meta-analytic estimates include spirulina (≈−1.77 kg), psyllium (≈−3.70 kg)...

Jan 7, 2026

Have any randomized controlled trials tested spice and honey combinations in Alzheimer’s or vascular dementia?

No randomized controlled trials (RCTs) have tested combined spice‑and‑honey interventions specifically for Alzheimer’s disease (AD) or vascular dementia; the clinical literature contains RCTs of indiv...

Jan 6, 2026

What published clinical data exist for any drug named gelatide, and where can those studies be accessed?

A targeted review of the supplied reporting finds no published clinical data for any drug or investigational product explicitly named “gelatide” in the provided sources; instead the literature is rich...

Jan 5, 2026

What clinical trials have tested honey or honey-derived compounds for Alzheimer’s disease in humans?

A systematic read of the recent reviews and primary reporting shows that rigorous, randomized clinical trials testing honey or honey-derived compounds specifically in people with diagnosed Alzheimer’s...

Nov 24, 2025

How effective are website fingerprinting and machine learning for deanonymizing hidden-service users?

Website- or browser-fingerprinting and machine‑learning classifiers can and do deanonymize users of encrypted channels — including Tor hidden services — by exploiting traffic patterns (packet sizes, b...

Nov 21, 2025

Tinnitus cure

There is no universally accepted cure for tinnitus, but several emerging treatments have shown real-world benefit: FDA‑approved bimodal neuromodulation (Lenire) reports a 91.5% responder rate in a cli...

Feb 5, 2026

Are there peer-reviewed studies assessing the accuracy of modern print encyclopedias like World Book?

Peer-reviewed research has examined the accuracy and credibility of , most often by comparing online, crowdsourced resources like with long-established reference works such as ; these studies are publ...

Feb 2, 2026

What forensic artifacts on a device most often reveal user identity despite VPN or Tor use?

most often identify a - or Tor-user not by cracking the network encryption but by recovering host-based artifacts: volatile memory remnants, operating‑system traces (registry, recently run entries, in...

Feb 2, 2026

"Recent community contributions have allowed AV1 (SVT-AV1) to match or even surpass HEVC in most situations!"

The claim that "recent community contributions have allowed in most situations" is plausible but not definitively proven by the supplied reporting: multiple studies and industry writeups show AV1 narr...

Jan 29, 2026

What peer‑reviewed studies exist on gelatin or collagen supplements and appetite/satiety outcomes?

Peer‑reviewed human trials examining gelatin or /satiety are limited but growing; several randomized trials and pilot studies report short‑term changes in appetite hormones or reduced energy intake, w...