>>2293074There was this study on attractiveness and sweat/body odor that basically supports your idea.
Quick summary:
1. Male participants take photos, and their photos are rated by female participants in attractiveness.
2. Those same men wear the same white cotton shirts and run the same amount of time on the treadmill. Their sweaty shirts are then collected.
3. Female participants smelled the sweaty shirts and rated them by how much they like the smell.
4. Conclusion: researchers found that the rating of body odor smell of shirt significantly positively correlated with women's rating of face attractiveness, thus it's possible that body smell is a predictor of genetic health and attractiveness
