Gilmer et al. 2024, Breasts and bras in physical activity, a meta-analysis

Systematic review and meta-analysis on breasts, bras and physical activity in women and girls. Breasts and bras act as a barrier to activity, larger breast size is consistently linked to more exercise-induced discomfort and greater breast motion, and sports bras reduce discomfort versus standard bras. The evidence base skews toward young, white, Western, non-athlete samples. Moderate.