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Social media’s impact on body image varies by life orientation and gender.

People with a slower life history strategy report more positive body image.

Heavier social media use is connected to a higher appearance focus but lower appearance satisfaction.

It is now almost common sense to say that social media affects how people feel about their appearance. We scroll through edited faces, idealized bodies, cosmetic transformations, fitness routines, and carefully staged lifestyles. It is difficult not to compare.

But comparison is only part of the story. In our recent study of nearly 9,000 Arab-speaking young adults, we found that body image is also related to something deeper: people’s broader orientation toward life, the future, relationships, and self-investment. In psychology, this is often discussed through life history theory.

Life history theory sounds technical, but the basic idea is straightforward. All of us have limited time, energy, and attention. We cannot invest equally in everything. Some people, often shaped by more unpredictable or competitive environments, become more oriented toward immediate rewards, social competition, and short-term opportunities. This is called a faster life history strategy. Others are more oriented toward long-term planning, stability, self-control, health, education, and future investment. This is called a slower life history strategy. The Mini-K scale used in our study captures these tendencies, with higher scores indicating a slower strategy.........

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