A single hair can give a lot of information about you. The hair on your head grows 2-6 years before falling out. Many tiny blood vessels feed the base of each strand. During that time, your hair shaft ...

Millions of Americans have allergies. You might sniffle and sneeze as the seasons change or get itchy and teary-eyed when you dust the house or pet an animal. Perhaps you start wheezing when you eat a ...

Microbiome tests measure the microorganisms in a person’s gastrointestinal (GI) tract. These tests can give the person an idea of the types and amounts of microorganisms in their gut. However, people ...

Molecular testing is a broad category of tests that look for molecules in your DNA or other pieces of genetic information called RNA to diagnose a disease like cancer or predict your risk of future ...

Genetic testing is a minimally invasive medical test that doctors use to identify genetic mutations or variants that can lead to certain diseases or conditions. Doctors use various types of genetic ...

Home A1C testing can be as accurate as in-person laboratory testing, but it’s important to follow the test instructions exactly to get accurate results. Your A1C is a snapshot of your average blood ...

As the incidence of drugs escalates in 21st century living, their detection and analysis have become increasingly important. Sport, the workplace, crime investigation, homeland security, the ...

During my medical residency, I spent a month on the obstetrics ward, learning how to deliver babies. On one occasion, I was paged to a delivery room down the hall. Inside, I saw the mother-to-be ...