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Medical studies that measure stretched penile length (SPL) — the clinical standard for pediatric penile assessment — report a mean SPL for 12‑year‑old boys in the neighborhood of about 7 cm, but that ...
Scientific and public debate centers on whether fluoride is a "neurotoxin" — many peer‑reviewed reviews and the U.S. National Toxicology Program (NTP) report conclude higher fluoride exposures (notabl...
The claim "fluoride makes people stupid" is ; most authoritative reviews find no clear link between community water fluoridation at recommended levels and reduced IQ, though some studies report possib...
Recent systematic reviews and large studies of post‑operative outcomes report regret after gender‑affirming surgery (GAS) at about 0.3%–2% depending on methodology and cohort, with multiple reviews cl...
Published clinical studies and mainstream health guides show wide normal variation in penile size during puberty; growth mostly occurs between about ages 11–16 and adult-size genitals usually develop ...
Frequent masturbation in teenagers carries such as stunting growth, causing infertility, blindness, or sexually transmitted infections; mainstream clinical and public‑health sources describe it as a n...
Careful review of the supplied analyses shows a : several recent studies and reporting link stricter state-level gun laws to lower firearm deaths in specific populations and jurisdictions, but the evi...
Published peer‑reviewed and national database analyses agree that surgical gender‑affirming procedures in minors are uncommon, but the absolute counts differ depending on definitions and data sources:...
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...
Yes — multiple peer‑reviewed studies and clinical papers publish age‑specific stretched penile length (SPL) and penile‑growth percentile charts derived from large cross‑sectional samples; examples inc...
Major recent reviews and meta-analyses report an association between higher fluoride exposure and lower childhood IQ, with one pooled analysis across 74 studies finding about a 1.6–1.7 point IQ decrem...
Recent systematic reviews and government monographs find a consistent inverse association between higher fluoride exposures and children’s IQ in the epidemiological literature, particularly at fluorid...
Penile growth during puberty is highly variable: most sources say the main growth window is roughly ages 9.5–16, with the fastest increase between about 12 and 16 years; mean stretched or erect number...
A penis length of 19 cm for a 15‑year‑old would be far above reported averages and well outside most published adolescent reference ranges: several large measurements studies put mean stretched or ere...
The evidence on whether fluoridated water is dangerous is mixed: , while recent epidemiological and toxicological reviews raise concerns about possible neurodevelopmental effects at higher exposures a...