Testing for Cataracts: Getting a Cataract Diagnosis

A cataract is a spot in your eye where the clear lens, the part that focuses light, becomes cloudy, making your vision blurry or dim. Cataracts develop slowly. An optometrist or ophthalmologist, doctors specializing in diagnosing and treating eye conditions, diagnoses cataracts. They may also rule out other eye conditions, like glaucoma, that can have similar…

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Waymo starts robotaxi testing in Philadelphia and NYC

Waymo kicked off two “road trips” to Philadelphia and New York City on Monday, signaling the Alphabet-owned company’s interest in expanding into Northeastern cities.  Waymo’s branded “road trips” don’t necessarily signal a commercial launch anytime soon. Waymo has announced several other road trips this year, including to Houston, Orlando, Las Vegas, San Diego, and San…

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What Does a Non-Reactive Result Mean in HIV Testing?

A non-reactive result from an HIV test means that you tested negative for human immunodeficiency virus (HIV). In most cases, that means you don’t have a detectable infection. In some cases, though, you may get a non-reactive result if you test too soon after HIV exposure. Retesting after some time—weeks or months—may be necessary to…

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Genetics testing startup Nucleus Genomics criticized for its embryo product: ‘Makes me so nauseous’

Nucleus Genomics, a genetic testing startup founded by 25-year-old Kian Sadeghi, initially launched in 2021 with the goal of calculating a patient’s risk for specific diseases.  But it’s been courting controversy for years with products that claim to tell people how their genetics correlate to a host of complex issues, including their IQ.  On Wednesday,…

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