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Men who don't get enough alone time with their male friends are more prone to erectile dysfunction, according to a new study.

Men who don't get enough alone time with their male friends are more prone to erectile dysfunction; Also, an edible microchip that makes sure you're taking your meds; Plus, wearing headphones while walking around town may pose a safety risk; And, a nose job can make people appear about one-and-a-half-years younger.

Working mothers multitask more - and enjoy it less - than their male counterparts, researchers say

Ever since a Canadian psychologist coined the term in 1965, the "midlife crisis" has become firmly entrenched in our popular culture. Barry Peterson takes a look at the facts and fictions behind the male midlife crisis.

By Joanna Marchant of Nature magazine Female athletes may not be eligible to compete as women if they have natural testosterone levels in the male range. [More]

Cosmo’s Kate White and psychologist Dale Atkins discuss how different the male and female brains are and how understanding these differences can help improve your relationship. (TODAY show)