Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. Since 2006, guns have been used in an average of 25 mass killings per ...

Shooters often kill people who are, or presumably once were, close to them. 25 percent killed a parent, child or stepchild, and 23 percent killed a current or former romantic partner. Even some large ...

Introduction Obesity is a prevalent multifactorial disease worldwide that has become a major public health concern. Excess adiposity poses a health risk because it is related to several chronic ...

Elysse Bell is a finance and business writer for Investopedia. She writes about small business, personal finance, technology, and more. Erika Rasure is globally-recognized as a leading consumer ...

Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at least 15 minutes. International stock ...

A description of the terminology and methodology used in this supplement, and a guide to the functionality that is available free online at natureindex.com.