Doing strength training for 12 weeks may help postmenopausal women — both healthy ones and breast cancer survivors — move better, walk farther, and get up and go faster.

Doing strength training for 12 weeks can boost muscle strength by about a quarter to nearly half in women after menopause — whether they're healthy or have survived breast cancer.

Doing strength training three times a week for three months helps both healthy postmenopausal women and breast cancer survivors gain muscle and get stronger — and both groups benefit about the same.

If postmenopausal women do strength training three times a week for three months, their thigh muscles get about 5 to 8% thicker — whether or not they’ve had breast cancer.

Lifting weights or doing strength exercises helps healthy adults walk faster, stay balanced, get up from a chair more easily, and move around better compared to not exercising at all.

Doing strength training three times a week for three months can help improve muscle size, strength, belly fat, cholesterol, blood sugar, and overall metabolic health in women around 69 years old who are otherwise healthy.