Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Investigative research team leader with 18 years' experience covering health at Which? and a background working for the NHS and Social Services. Most people get their hearing aids free from the NHS, ...

Debt ratio shows a company's ability to handle debt and invest wisely. Trend in a company's debt ratio indicates its ongoing fiscal health and investment quality. Different industries justify varying ...

Have you ever heard of the Fibonacci sequence? Or the Golden Ratio? Or the Golden Spiral? These mysterious numbers and shapes are all connected to each other. If you look closely, they can be found in ...

1 Department of Occupational Diseases, Weifang People’s Hospital, Weifang, Shandong, China 2 Department of Critical Care Medicine, Weifang People’s Hospital, Weifang, Shandong, China Background: ...