As more consumers order up lab tests and genetic screenings, experts say it could impact insurance, loans, and employment decisions.

Scientists in Sweden and Norway have uncovered a promising way to spot Parkinson’s disease years—possibly decades—before its most damaging symptoms appear. By detecting subtle biological signals in ...

How weight loss and diet changes show up in lab results Weight loss creates measurable improvements in lab work that doctors track regularly throughout your journey.

If you’ve ever wondered why your doctor asks you to do a blood test or provide a urine sample at your annual checkup even if you’re feeling perfectly fine, ...