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The 2016 Indianapolis 500 winner (photo) was fastest in both sessions Wednesday and overall in the two-day Open Test at the 1-mile desert oval.

The Team Penske newcomer (photo) led a 1-2 result for the organization on the first day of the two-day test at the 1-mile desert oval.

What Is a Lactic Acid Blood Test? It’s a test that measures the amount of lactic acid (also called “lactate”) in your blood. This acid is made in muscle cells and red blood cells. It forms when your ...

A complement C4 (also known as a complement component 4, or simply C4) is a test to measure the level of C4 proteins you have in your blood. These proteins play a role in how your immune system ...