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 ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...

Uber's a game-changer for millions of people, providing full-time income (or at least some extra cash) for drivers worldwide, and a (generally) safe, quickly-accessed ride between two points for ...

Studies suggest that some foods can help decrease chronic inflammation. These include olive oil, certain berries, fruit, vegetables, spices, and fish. Inflammation can help your body defend itself ...

You can get vitamin D3 from sun exposure, lichen, and animal sources, such as fish oil and egg yolk. You can get vitamin D2 from plant sources. Your body metabolizes vitamin D2 and D3 differently.