The relationship between hair loss and training is complex. Exercise can reduce stress and improve scalp circulation, which may benefit certain types of hair loss (e.g., telogen effluvium). However, androgenetic alopecia (pattern baldness) is primarily driven by genetics and hormones – exercise has little direct effect. DNA tests like MyBody-X may detect variants in genes such as AR or SRD5A2, but effect sizes are small and do not provide reliable predictions. Evidence for personalized training recommendations against hair loss is weak. Instead, focus on balanced nutrition, adequate sleep, and stress management. For significant or sudden hair loss, consult a dermatologist. Caveat: DTC genetic tests are not diagnostic; marketing claims should be viewed critically.
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