Tag

Exposure Age

All articles tagged with #exposure age

Saturn's rings could be a recent addition to the planet
sciencespace1 month ago

Saturn's rings could be a recent addition to the planet

Cassini-era analyses suggest Saturn’s bright main rings may be tens to hundreds of millions of years old rather than billions, implying a relatively recent origin after much of the dinosaur era. While ring purity and mass measurements support a younger exposure age, newer studies caution that dust deposition, space weathering, and model assumptions keep the true age unsettled. Some scenarios even propose a collision or disruption of icy moons as the ring source. The rings are also losing material and evolving, so their future may include slow disappearance into Saturn, reinforcing that the exact formation time remains debated.

Starting regular adult content in youth maps to distinct mental-health trajectories
mental-health4 months ago

Starting regular adult content in youth maps to distinct mental-health trajectories

A PsyPost analysis of 1,316 American adults identifies three pornography-use trajectories—Early Engagers (first exposure around 14; regular by 18), Casual Engagers (first exposure around 28; regular by 36), and Late Engagers (exposed around 14 but regular by 38). Early Engagers report higher current use and greater depression, anxiety, and related risky behaviors; Casual Engagers often struggle with guilt tied to religious beliefs (moral incongruence); Late Engagers show the lowest distress. The study cannot prove causation due to retrospective, cross-sectional data, and clinicians are advised to ask about both age of first exposure and timing of regular use when assessing risk.