Index/Organizations/Mass General Brigham

Mass General Brigham

Hospital and physicians network in Boston, Massachusetts

Fact-Checks

23 results
Dec 14, 2025
Most Viewed

Can a rising PSA level after prostate cancer surgery be a false positive?

A rising PSA after radical prostatectomy usually signals remaining prostate tissue—most often recurrent cancer—but timing and test sensitivity matter: guidelines and studies warn that PSA can persist ...

Dec 2, 2025
Most Viewed

How soon after prostate surgery should PSA be measured and how often thereafter?

Recent studies and guideline summaries show clinicians have routinely checked PSA 6–8 weeks (1.5–2 months) after radical prostatectomy, but new large analyses argue waiting at least three months reduc...

Nov 27, 2025
Most Viewed

Is there peer-reviewed evidence supporting Dr. Harrington's tinnitus cure?

There is no clear, peer‑reviewed evidence in the supplied sources that a single “Dr. Harrington’s tinnitus cure” exists or has been validated in the scientific literature; major patient and research o...

Dec 15, 2025

What ingredients are in Memory Blast and do any raise or lower blood pressure?

Available product listings and vendor pages give inconsistent ingredient lists for “Memory Blast” / “Memo Blast”: some list cinnamon extract, tongkat ali, and wild yam (e.g., eBay listings) while othe...

Nov 14, 2025

What are the most common side effects of COVID-19 vaccines?

Most reputable health bodies and large reviews say the common side effects after COVID‑19 vaccination are short‑lived, mild-to-moderate local and systemic reactions such as pain at the injection site,...

Jan 16, 2026

Are lingering spike proteins linked to long COVID symptoms?

Evidence accumulated over the past two years shows that fragments or whole SARS‑CoV‑2 spike protein can persist in blood and tissues of some people after acute infection and that this persistence is p...

Nov 27, 2025

What is the significance of a PSA spike after robotic prostate surgery?

A rising or “spike” in PSA after robotic (or any) radical prostatectomy can mean different things: persistent or recurrent prostate cancer, residual benign prostate tissue, or simply timing/measuremen...

Nov 27, 2025

Which allergic reactions to Moderna or Pfizer vaccines can be treated at home vs require ER care?

Mild skin and local reactions after Moderna or Pfizer (mRNA) COVID-19 vaccines — itching, rash, hives, swelling, and large local arm reactions — are reported fairly commonly and often resolve without ...

Dec 9, 2025

How soon after prostatectomy should PSA be monitored to detect biochemical recurrence?

Recent large-cohort evidence and guideline summaries disagree about the ideal timing for the first definitive post‑prostatectomy PSA check: traditional practice often measures PSA at about 1.5–2 month...

Nov 18, 2025

What are the latest estimates of long COVID prevalence and risk factors by age and health status (2025 data)?

Recent 2025 reporting and studies show wide disagreement on long COVID prevalence: some meta-analyses through 2024 reported pooled prevalence estimates as high as ~36% globally (through May 2024), whi...

Jan 14, 2026

What state-level variations exist in youth firearm mortality and which policies correlate with lower rates?

A multi‑state analysis finds large variation in youth firearm mortality that aligns with state policy environments: "most permissive" states show substantial excess pediatric deaths compared with "str...

Jan 4, 2026

What peer‑reviewed clinical trials exist for commercial cognitive supplements and how rigorous are their methods?

Recent peer‑reviewed clinical trials of over‑the‑counter cognitive supplements include large randomized studies of multivitamin‑mineral formulations (COSMOS‑Mind), trials of single nutrients such as o...

Jan 4, 2026

How long after robotic prostate surgery should PSA remain undetectable?

After robotic radical prostatectomy the prostate — the main source of PSA — is removed and PSA is expected to fall to very low or undetectable levels within weeks to a few months; most guidelines and ...

Dec 19, 2025

Which supplements or lifestyle interventions have the strongest evidence for preserving memory in aging?

Randomized trials and large studies now point to modest, reproducible memory benefits from daily multivitamin supplementation in older adults, while lifestyle interventions—healthy diets, regular phys...

Dec 16, 2025

Vitamin D

Recent large reviews and trials show growing evidence that vitamin D affects more than bones: a 2025 MDPI review lists roles in immunity, pregnancy, brain function, cancer and cardiovascular health , ...

Dec 5, 2025

What follow-up treatments are recommended for rising PSA after prostate surgery?

After radical prostatectomy, 20–40% of men will see PSA rise within 10 years; a rising PSA after surgery typically triggers evaluation and often salvage/local therapy such as radiation to the prostate...

Dec 3, 2025

Can other cancers or tissues produce PSA after prostate removal?

After radical prostatectomy the prostate — the main source of PSA — should be gone and PSA usually falls to “very low or even undetectable” levels (Cancer Society) and laboratories commonly consider v...

Nov 30, 2025

Are any tinnitus treatments promoted by Dr. Oz supported by peer-reviewed scientific studies as of 2025?

Dr. Mehmet Oz has promoted a range of ideas and products related to hearing and tinnitus over the years, including coverage of emerging therapies such as transcranial magnetic stimulation and hearing‑...

Nov 30, 2025

What factors delay PSA stabilization after prostate surgery?

PSA usually falls to very low or undetectable levels within about 4–8 weeks after radical prostatectomy, because the main PSA source (the prostate) has been removed . New large-cohort analyses argue w...

Nov 30, 2025

What is the expected PSA timeline in the first year after radical prostatectomy?

After radical prostatectomy (RP) PSA typically falls to a very low or undetectable level within about 2 months, but recent large-cohort research and several specialist bodies argue for waiting at leas...