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 ...

Gold, a precious metal, mostly appears in alloys and only rarely in its pure form. Because of its physical properties, it is resistant to air, moisture, heat and many solvents. Gold also has a high ...

Why monitor blood pressure (BP)? Hypertension (high blood pressure) is an important health issue in children, because of its association with obesity. High blood pressure is considered a risk factor ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Khadija Khartit is a strategy, investment, and funding expert, and an educator ...