How Do Optometrists Determine Your Glasses Prescription?
Optometrists determine your glasses prescription by measuring how your eye focuses light and then balancing that error with lenses until…
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What Is mGluR5 and How Is It Linked to Autism?
mGluR5 is a metabotropic glutamate receptor that modulates how neurons respond to the excitatory neurotransmitter glutamate. A Yale-led brain imaging…
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How Legionnaires’ Disease Spreads and How to Prevent It
Legionnaires’ disease spreads when people inhale tiny water droplets that contain Legionella bacteria, most often from large water systems such…
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Are Blue Eyes More Sensitive to Light?
Yes. People with blue eyes are, on average, more sensitive to bright light because they have less melanin pigment in…
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When Eye Pigment Turns Against You: The Hidden Glaucoma
When Eye Pigment Turns Against You: The Hidden Glaucoma A little-known syndrome stalks young myopes, then spikes pressure overnight It…
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Sleep emerges as longevity signal, but read the fine print
The map of American longevity may be hiding in plain sight on your nightstand. In the county where you live,…
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How Allergies Happen, and Why They Appear or Vanish
You sneeze at spring, your kid swells up with peanut butter, your friend suddenly cannot take acetaminophen. The through line…
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Why Cancer Is Hitting Australians Under 50 So Hard
In waiting rooms across Australia, people in their 30s are telling a story doctors did not expect to hear for…
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One Week Off Social Media Eased Anxiety, Sleep Problems for Young Adults
On a gray Monday morning, a university sophomore powers down her phone and slides it into a desk drawer. For…
