Correspondence to Dr Ciara R Burgi, Duke Sports Medicine Physical Therapy, Durham, NC 27710, USA; ciara.burgi{at}gmail.com Data sources MEDLINE, Embase, CINAHL and SPORTDiscus electronic databases ...

Don't prioritize your tasks by what will take the most time—try choosing what will have the biggest impact. That's what the Most Important Task (MIT) method involves: rather than thinking of specific ...

Figuring out how to structure your days so they're as productive as possible is a challenge, which is why there are so many different techniques for doing it, though they're all best suited to ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Charlene Rhinehart is a CPA , CFE, chair of an Illinois CPA Society committee, and has a ...

Toby Walters is a financial writer, investor, and lifelong learner. He has a passion for analyzing economic and financial data and sharing it with others. Michael Logan is an experienced writer, ...

NPV calculates profitability using all projected cash inflows and outflows, considering time value of money. A positive NPV suggests a profitable project; a negative NPV suggests a loss. NPV's ...

Correspondence to Dr David McDuff, Psychiatry, University of Maryland School of Medicine, Baltimore MD 21201, USA; dmcduff52{at}gmail.com Background Substances from various classes may be used for ...