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Research and popular-health reporting consistently show that many women find sex pleasurable and feel satisfied even when they do not orgasm every time: surveys report that roughly half to three-quart...
Across large, recent surveys the clearest and most consistent difference between men and women is frequency: men report orgasming during partnered sex at substantially higher rates than women in every...
Recent research does not offer a single, up-to-date measured average penis size specific to gay men in the United States; most contemporary large-scale, clinician-measured reviews report average erect...
Clinical research and recent aggregated reviews put average adult male bone‑pressed erect length (BPEL) at about 5.1–5.2 inches (≈12.9–13.2 cm) with typical erect girth near 4.6–4.8 inches (≈11.7–12.2...
Self-reported penis size surveys systematically report larger averages than studies where measurements are taken by medical professionals; peer-reviewed reviews put the medically measured average erec...
Research and clinical summaries consistently report that the male refractory period lengthens with age: young men can recover in minutes while older men commonly need hours to a day or more (examples ...
Large systematic reviews and pooled studies find a consistent pattern: absolute increases from flaccid to erect length, with a median/mean increase around 3–4 cm, and definitions used in the literatur...
There is peer-reviewed research on women's penis-size preferences, notably a 2015 PLOS One study using 3D models that found modest differences by relationship context, but there is comparable to broad...
Large, repeated probability surveys like Britain’s Natsal series show that oral sex has become a common part of sexual repertoires over recent decades—especially among younger cohorts—and that rises i...
Representative studies indicate that masturbation frequency generally declines with chronological age and after the for many women, but the pattern is nuanced: some studies find an increase in solo se...
Sampling choices and question wording together drive whether sex‑survey results reflect population realities or artifacts of measurement: with high response rates and yield the most defensible prevale...
Roughly one in five married men report having had sex with someone other than their spouse: large, nationally‑used surveys put the figure near 20 percent, with some organizations and reviews widening ...
Research summarized in the provided sources shows that hormonal responses to masturbation are mostly described as short-lived and that baseline sex hormone levels change with age—testosterone declines...