A lack of social life with others can weaken the bones of older women.
Lower bone mineral density was associated negative social interactions and relationships. Weaker bones were also tied to lower levels of social activity.
Higher social strain was associated with greater bone mineral loss of the total hip, lumbar spine and femoral neck.
https://www.webmd.com/osteoporosis/news/20190710/poor-social-life-might-harm-womens-bones