Your blood contains a wealth of information about the state of your health. Analyzing the levels of each component is an important part of diagnosis.

Biased algorithms in health care can lead to inaccurate diagnoses and delayed treatment. Deciding which variables to include to achieve fair health outcomes depends on how you approach fairness.

Lab testing provides doctors with essential information to help them diagnose and treat disease. Here’s what happens behind the scenes after you roll up your sleeve for a blood draw.

Engineering students in Malawi and Tanzania have used the materials and tools available to them to build ventilators, personal protective equipment and UV disinfection systems.

Researchers are developing tattoo inks that do more than make pretty colors. Some can sense chemicals, temperature and UV radiation, setting the stage for tattoos that diagnose health problems.