#Neurology4

21 Apr 2026

Drugs for Parkinson’s can change gut bacteria

A new study finds that drugs given to boost levodopa can alter the gut microbiome. This change can let certain bacteria break down levodopa in the gut, reducing the drug’s benefit for the brain.

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Photo by National Institute of Allergy and Infectious Diseases, Unsplash

27 Feb 2026

COVID-19 and Flu: Lasting Effects on Lungs and Brain

A mouse study found that even mild COVID-19 or influenza can cause lasting changes in lungs and brain after infection clears. COVID-19 produced unique, persistent brain inflammation and tiny bleeding not seen after influenza.

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30 Dec 2025

Hand numbness: carpal and cubital tunnel explained

Hand numbness and tingling can come from different problems. Correct diagnosis matters because carpal tunnel and cubital tunnel affect different nerves and need different treatments. Seek care if symptoms last or cause weakness.

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26 Dec 2025

Tofersen slows a rare form of ALS

A long-term study shows that tofersen, a drug for a rare genetic form of ALS, can slow disease progression and help some people improve. The trial followed participants for several years and recorded benefits and side effects.

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