Men and women are different.

• Position: Brief Article

Researchers are discovering that men and women are different in more ways than the obvious physical characteristics. The variations tend to be small, but could eventually trigger new developments in health care, such as sex-specific medications, according to the Mayo Clinic Women's HealthSource.

Here are some examples of differences:

* Women are less active and consume less oxygen than men. Rib cages are smaller in women, resulting in lower lung capacity.

* Women, on average, have 11% more body fat and eight percent less muscle mass. Males tend to be faster during aerobic events due to their greater muscle strength and mechanical advantage of longer arms...