A fasting blood test requires you to avoid eating or drinking anything for some time before your test. The amount of time to fast varies for different tests. It’s generally in the range of 8 to 12 ...

With home testing options increasing more than ever, you now also have the ability to test for kidney function within the comfort of your own home. Learn more about our four best picks for at-home ...

Have your COVID-19 rapid tests expired? Don’t toss them yet. Federal regulators have extended some tests’ expiration dates, meaning certain offerings are now usable for months longer. The reason for ...

At-home hormone tests offer a fast, affordable, and discreet way to help identify a hormonal imbalance. This review highlights top tests for female and male hormones, thyroid, fertility, and cortisol.

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

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 ...

Gemini can now help students prepare for the SAT using realistic mock tests, moving beyond generic AI questions and closer to the format and pressure of an actual standardized exam.

As the nation experiences what many experts believe is the second-largest wave of COVID infections since the pandemic started, many Americans will be checking to make sure they don’t have the ...