It seems like there’s always a new workout trend sweeping the internet. First it was the 12-3-30 treadmill routine, then my social feeds started getting flooded with reformer pilates videos, and now ...

After conducting thousands of sessions with coaching clients, I can say that an easy 90% of executives who come to me for leadership coaching want the same thing: more confidence. Though those who end ...

Before launching Ellevest to help women build wealth, I led Merrill Lynch, and served as CEO of Sanford Bernstein and CFO of Citigroup — where I learned that not asking for more could mean leaving a ...

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. Sprint interval ...