Should we all be concerned about our cortisol levels? I took a blood stress test and spoke with experts to find out.

An appellate panel shut down a lawsuit from a compliance officer at Quest Diagnostics Inc. claiming the lab ran a fraudulent billing scheme for unnecessary tests.

Substance use occurs more often in blue-collar and service industry jobs, but comprehensive policies and supportive ...

Quest Diagnostics Inc. closed 8.75% short of its 52-week high of $182.38, which the company achieved on June 16th.

Quest Diagnostics (DGX) is a strong buy with growth potential, solid margins, and dividend increases. Discover the full ...

While clinical laboratory Quest Diagnostics (DGX) had a rough outing last week, speculators seeking a discount may want to ...

Former Seattle Seahawks QB Russell Wilson has faced a lot of criticism, but one of his teammates in New York is praising his leadership.

Quest Diagnostics Incorporated (NYSE:DGX) is one of the 7 most undervalued pot stocks to buy according to analysts.

This was the stock's second consecutive day of losses.

Quest Diagnostics has signed up to offer a blood test that can help diagnose Alzheimer’s disease, following its FDA clearance earlier this year. | The Lumipulse G blood test measures the ratio between ...

Quest will offer the first FDA-approved blood test to help detect Alzheimer’s-related amyloid pathology in patients with ...