"The suspect cases have a positive test, but they still need to be evaluated ... with affected individuals and are providing them with free testing." Doctors say TB generally attacks the lungs ...

They use light for eye exams, blood tests, and medical imaging, showcasing the impact of optical technologies in disease diagnosis. Let us understand how that works. You're not feeling well.

Here we go again. Another winter, another COVID variant. This one is called XEC, and it’s emerging as a common one right now, taking over from variant KP.3.1.1. It’s time to get out those at ...

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A machine called an automated "full blood count analyzer" tests for general markers of your health. This machine directs focused beams of light through blood samples held in small glass tubes.