The study in PLOS One points out that back in 1965, women spent nearly 26 hours a week dusting and mopping. By 2010, that dropped to 13 hours a week and the average woman has gained 22 pounds.
The study also found that women have exchanged time spent vacuuming for time spent watching TV.
A third of all American adults are obese compared to 50 years ago and experts say both sexes are expanding at an equal pace.
