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  1. Stress effects on the body - American Psychological Association (APA)

    Nov 1, 2018 · Stress affects all systems of the body including the musculoskeletal, respiratory, cardiovascular, endocrine, gastrointestinal, nervous, and reproductive systems.

  2. How becoming a parent changes the brain

    Becoming a parent is a huge life transition. Now researchers are finding evidence that parenthood actually changes the brain—and these changes happen to fathers as well as to mothers. Darby …

  3. Standing tall and standing wide: Body positions have effects on how ...

    This featured article in this issue of APA Journals Article Spotlight in Psychological Bulletin explores the possible physical, behavioral, and psychological effects of power poses and other body positions.

  4. The two faces of oxytocin - American Psychological Association (APA)

    Feb 1, 2008 · However, if a person is experiencing the stress of social deficits, he or she may show elevated levels of circulating oxytocin, that is, oxytocin already present in the bloodstream. This …

  5. The changing marijuana landscape: What you need to know

    Jun 1, 2025 · But as the market expands, cannabis users have access to an unprecedented variety of purported antidotes for conditions ranging from insomnia to anxiety to post-traumatic stress disorder. …

  6. The postpartum cuddles: Inspired by hormones?

    In particular, Fleming and her colleagues find that fathers with lower testosterone levels show greater sympathy and need to respond to infant cries. There's also anecdotal evidence that the excitement …

  7. Sep 20, 2022 · The term fi “prenatal stress broadly refers to wide range of exposures ” during pregnancy that may exert stress on the developing fetus. In humans, one of the most frequently investigated …

  8. Wear and Tear of Stress: The Psychoneurobiology of Aging

    Aug 11, 2006 · Age may be more related to reactions to stress and the absence of disease rather than to a person's chronological age.

  9. How birth control pills affect the brain

    Apr 1, 2025 · Key points Hormonal contraceptives were developed before scientists had a clear understanding of the far-reaching role of hormones in the body and brain. New research explores …

  10. The risks of earlier puberty

    Mar 1, 2016 · But that question is complicated because many of the social factors that can prompt mental health problems have themselves been linked to the early onset of puberty — namely early …