MeSH tree: D12.125.072.050.875
Pulse oximeter devices routinely overestimate blood oxygen levels in darker-skinned patients—a racial bias that can trigger downstream health harms for Black individuals, compounding well beyond any single inaccurate reading.
May 25, 2026
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With no known cure for Parkinson's disease, research suggests that exercise is one of the most effective ways to slow its progression. "Exercise may be more than just good for your general health, as it can actually help ...
May 3, 2026
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Why do memories fade in Alzheimer's disease—and can they be restored? University of California, Irvine researchers have uncovered a key mechanism underlying memory loss, showing for the first time that dopamine dysfunction ...
Apr 23, 2026
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It's easy to see discarded plastic as nothing more than waste. Much of it ends up in landfill, breaking down into microplastics that seep into water supplies and threaten the environment, and potentially human health. But ...
Apr 14, 2026
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Levodopa—the gold-standard treatment for Parkinson's disease—increases dopamine in the brain. But as the disease progresses in severity, patients often need to take additional drugs to manage their symptoms. One class of ...
Apr 8, 2026
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Pythons don't nibble. They chomp, squeeze, and swallow their prey whole in a meal that can approach 100% of their body weight. But even as they slither stealthily around the forest, months or even a year may pass between ...
Mar 19, 2026
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A large new study suggests that higher levels of a common amino acid called tyrosine may be linked to a shorter lifespan in men.
Feb 27, 2026
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Dopamine in the brain influences movement, learning, motivation and sleep. In humans, problems with dopamine are linked to conditions like Parkinson's disease, depression and sleep disorders. While scientists know a great ...
Jan 13, 2026
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Northwestern Medicine scientists have discovered that targeting neuronal signaling controlling aberrant learning in the striatum may improve the efficacy of a first-line therapy for Parkinson's disease and has the potential ...
Jan 5, 2026
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A McGill-led study is challenging a popular theory about how dopamine drives movement, a discovery that could shift how scientists think about Parkinson's disease treatments.
Dec 17, 2025
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