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Other physiological shifts
  1. Home
  2. Research
  3. Neurochemical cycle after climax
  4. Post-climax effects
  5. Other physiological shifts

This page collects physiological evidence of various intriguing shifts that take place after sex, beyond the neuroendocrine shifts already addressed on other pages. Also see Evidence of shifts after sex.

Humans

Orgasmic frequency and plasma testosterone levels in normal human males

Sexual Frequency and Salivary Immunoglobulin A (IgA)

Effect of Frequency of Emission on Semen Output and an Estimate of Daily Sperm Production in Man

Evidence for Masturbation and Prostate Cancer Risk: Do We Have a Verdict?

Neural substrates of sexual arousal in heterosexual males: event-related fMRI investigation

Animals

Sexual behavior suppresses the primary antibody response in the golden hamster

Mating suppresses splenic natural killer cell activity in male golden hamsters

Male semelparity and multiple paternity confirmed in an arid‐zone dasyurid

Ejaculate Economics: Testing the Effects of Male Sexual History on the Trade-Off between Sperm and Immune Function in Australian Crickets

Sperm competition drives the evolution of suicidal reproduction in mammals

Alpha male status and availability of conceptive females are associated with high glucocorticoid concentrations in high-ranking male rhesus macaques (Macaca mulatta) during the mating season

Synergy - The Book

Download an excerpt from chapter 1 completely free.

Synergy lovemaking (“Synergy”) is a radically different, playful approach to sex in intimate relationships, an approach you and a partner can explore to see if it yields benefits.

Synergy - The Book
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Synergy Explorers Follow 170 26

Explore the conscious, careful cultivation of sexual energy to enhance and sustain intimate relationships, expand awareness and improve wellbeing.

SynergyExplore1
SynergyExplore1 avatar; Synergy Explorers @SynergyExplore1 ·
1 Jun 1664220222075576321

Can sexual arousal be considered a type of flow state? If so, what are the implications?

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Flow and sex

In light of Mihaly Csikszentmihalyi’s influential “Flow” theory, might intense sexual states have the potential to be unusually powerful?

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SynergyExplore1 avatar; Synergy Explorers @SynergyExplore1 ·
31 May 1663946338252324864

What's the ideal amount of sex?

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What’s the ideal amount of sex?

Multiple studies report that sex about once a week is good for relationship satisfaction. But why not more?

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