Are we really programmed to be lazy?
For decades, psychology and neuroscience have suggested that if humans and animals naturally try to make as little effort as possible, it is because putting in the effort is not enjoyable.
May 4, 2026
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Organic Chemicals: News and Research on Catecholamines
MeSH tree: D02.455.426.559.389.657.166.175
The brain may use dopamine to bend time and shape memory
Ever heard of getting a "dopamine hit" from something you enjoy? These exciting moments also appear to influence memory, although perhaps not in the way you'd expect.
May 4, 2026
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Exercise is one of the most effective ways to treat Parkinson's disease
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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Blocking stress signals could limit harmful inflammation after heart attack
After a heart attack, the body rapidly floods the injured heart with neutrophils—white blood cells that help repair damage but can also make it worse when too many arrive too quickly. New research from the University of Oklahoma ...
May 2, 2026
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Severe narcolepsy found to damage a second brain region
For nearly 25 years, scientists believed they knew what caused the most severe form of narcolepsy. A new UCLA Health study now suggests they were only half correct. In a study published in Nature Communications, UCLA Health ...
Apr 30, 2026
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Nerves in skin can slow melanoma growth
Nerve fibers within melanomas can slow their growth, according to a study led by Weill Cornell Medicine investigators. The findings help clarify the emerging field of cancer neuroscience and may inform future therapeutic ...
Apr 29, 2026
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Dopamine deficiency found to drive memory impairment in Alzheimer's disease
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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How the adult brain reuses an embryonic signal to balance persistence and change
A signaling pathway best known for shaping the brain before birth also helps govern how adults learn, adapt, and persist in their behavior, according to new research co-led by Andreas H. Kottmann, associate medical professor ...
Apr 22, 2026
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Fat cells steer flies away from pathogen-tainted food through a newly revealed neural circuit
If humans or animals eat something that causes them to feel unwell, they subsequently avoid this food source. Until now, it has been unclear precisely how this avoidance learning takes place. A new study shows that communication ...
Apr 16, 2026
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Scientists make Parkinson's drug from plastic in world first
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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