Weightlifting Study Finds Mental Health Gains Across Groups

A study in the Journal of Affective Disorders followed 49 young women who had anxiety symptoms and were not regularly strength training. After receiving instruction, participants were randomly placed in two groups. Both completed individual, supervised weightlifting sessions for eight weeks, but the resistance levels differed substantially.

One group trained with weights equal to 70 percent to 80 percent of each participant’s maximum capacity. The comparison group used 20 percent of maximum capacity. Questionnaires measured depressive symptoms during the program and again one month after the sessions ended. Scores declined by 54 percent in the higher-intensity group and 43 percent in the lighter-lifting group. Given the small study size and the relatively close results, researchers did not consider the difference between groups statistically significant.

The improvements at both resistance levels suggest that possible psychological benefits are not limited to demanding, heavy-weight routines. The structured format may also have mattered: every participant had scheduled sessions, supervision, regular support and contact with another person. Those features can provide routine, accountability and connection alongside physical activity. The findings show an association rather than proof that beginning strength training will change someone’s mental health, and exercise can be one component of care alongside therapy or medication when needed.