Interviews revealed marijuana and alcohol create distinctly different sexual experiences, with alcohol causing more regret and marijuana enhancing physical sensations | Research

The takeaway

Qualitative interviews with 24 adults found that alcohol use before sex was associated with more social outgoingness, atypical partner choices, and post-sex regret, while marijuana was associated with enhanced physical sensations, longer sex, and more intense orgasms, with both drugs having various negative sexual effects.

Sexual health researchers; harm reduction educators; clinicians discussing substance use and sexual health with patients.

Alcohol: more regret and dysfunction. Marijuana: enhanced sensations and orgasm.

What the researchers found

Twenty-four adults who recently used marijuana before sex were interviewed about how alcohol and marijuana differently affected their sexual experiences.

Alcohol effects: facilitated social connections and meeting sexual partners, but was more likely to lead to atypical partner choices (someone they would not normally choose) and feelings of regret after sex. Alcohol was associated with sexual dysfunction including erectile dysfunction.

Marijuana effects: enhanced physical sensations of sex and body/sex organs, increased the perceived length and intensity of sex, and enhanced orgasm experiences. The illegality of marijuana reportedly facilitated intimate encounters through shared secret behavior.

Both substances had negative sexual effects, but the types differed.

Experiences were mostly similar across genders, with some variation.

Participants generally described alcohol as a social/disinhibiting drug that could lead to poor sexual decisions, versus marijuana as a sensory enhancer that changed the quality of sexual experience.

Why it matters

Understanding how specific substances affect sexual decision-making and experiences is important for harm reduction and sexual health programming. The finding that alcohol and marijuana affect sexuality through different mechanisms suggests substance-specific prevention approaches may be needed.

The numbers in context

24 adults, 50% female, all heterosexual. Alcohol: more partner regret, more social facilitation, more sexual dysfunction. Marijuana: enhanced sensations, longer/more intense sex, enhanced orgasm.

How the study worked

Qualitative study using semi-structured interviews with 24 adults (50% female, all heterosexual, HIV-negative) who recently used marijuana before sex. Thematic analysis comparing psychosocial and physical sexual experiences.

What this study cannot tell us

Small qualitative sample (24 participants). All heterosexual and HIV-negative, limiting generalizability. Self-reported experiences subject to recall bias. No dose-response data.

How to read the evidence

Preliminary. Small qualitative study providing in-depth understanding but limited generalizability.

When this study was published

Published in 2018. Research on marijuana and sexual experiences has expanded as legalization normalizes use.

The bigger picture

As marijuana becomes legal and more widely used, its effects on sexual behavior and experiences are increasingly relevant. This qualitative work provides a foundation for understanding substance-specific sexual risk that quantitative studies often miss.

Questions still open

Do these findings extend to LGBTQ+ populations? How do different marijuana strains or doses affect sexual experiences? Does the combination of alcohol and marijuana create unique sexual effects?

Common questions

Does marijuana improve sex?

Participants in this study reported that marijuana enhanced physical sensations, perceived intensity, and orgasm quality. However, both substances also had negative sexual effects, and subjective experiences may not generalize across all users, doses, or contexts.

Is one substance safer for sexual decision-making?

Alcohol was more consistently associated with poor partner choices and post-sex regret. Marijuana was less associated with regret but has been linked to sexual risk behavior in other studies. Neither substance should be considered "safe" for sexual decision-making.

Read the original research

A Qualitative Investigation Comparing Psychosocial and Physical Sexual Experiences Related to Alcohol and Marijuana Use among Adults.

Archives of sexual behavior, 47(3), 757-770

View on PubMed ↗Publisher’s paper ↗

Citation

Palamar, Joseph J; Acosta, Patricia; Ompad, Danielle C; Friedman, Samuel R. (2018). A Qualitative Investigation Comparing Psychosocial and Physical Sexual Experiences Related to Alcohol and Marijuana Use among Adults.. Archives of sexual behavior, 47(3), 757-770. https://doi.org/10.1007/s10508-016-0782-7