Latest posts
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The Lingering Question: What We’ve Learned About Long COVID and Cardiac Problems
Long COVID has been linked to significant cardiovascular issues, including heart attacks and strokes, even after mild infections. Research shows persistent inflammation and autonomic dysfunction…
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50 Easy USMLE Step 1 Questions With Short Explanations
1. Vitamin A deficiency causes what symptom? Answer: Night blindness Explanation: Vitamin A is required for rhodopsin in photoreceptors. 2. Which enzyme converts glucose →…
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50 easy EPPP questions
1. A reinforcer that naturally satisfies a need (like food or water) is a: A. Secondary reinforcer B. Neutral stimulus C. Primary reinforcer D. Conditioned…
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Every-Third-Beat Heart Flutters: Should You Worry, and Can Anything Stop Them?
Heart flutters, often felt as skipped beats or thumps, are usually harmless if heart tests show normal results. This rhythmic sensation, termed trigeminy, can be…
Simon R. Downes 