Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. A bullshit concept ...
Canadian-US actor Keanu Reeves, supposedly a high-profile example of a "sigma male." (Photo by Mark RALSTON / AFP) (Photo credit should read MARK RALSTON/AFP via Getty Images) Are you tired of ...
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