"Seeing is believing," the founder of lab company Truvian told me. So I tried its tabletop blood testing device—which ...

Thyroid blood tests are an important part of diagnosing ... are—including key hormones such as TSH and T4—the lab can determine which type of thyroid disease you have (hypothyroidism vs.

The modern-day paternity test compares a baby’s DNA profile ... identifying specific phenotypes (in particular, specific blood types) in the child and using this information to either "rule ...

An effective blood test for these lethal brain diseases could allow for early diagnosis as well as for curbing their transmission. Prion diseases—including variant Creutzfeldt-Jakob disease ...