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Widely Available Supplement May Explain Brain Boost from Exercise
Article

Widely Available Supplement May Explain Brain Boost from Exercise

Studies in mice show selenium increases the number of new neurons, and improves memory in old age.

Science, 2022


Editorial Rating

8

Qualities

  • Analytical
  • Scientific
  • Engaging

Recommendation

Researchers knew that exercise can alter brain chemicals, lifting mental states in humans and potentially staving off cognitive decline. The exact process remained largely unclear until now. New research suggests selenium may play a key role in exercise-mediated memory improvement. This could open the door for applications in brain-injured patients and those suffering from dementia.

Take-Aways

  • A new study suggests selenium may play a key role in exercise-mediated memory improvement in mice.
  • Scientists knew exercise stimulates neuron production in the brain, but only recently got further insights into the underlying molecular “neurogenesis.”
  • Additional research points to the possibility of selenium treatments for elderly people and stroke victims.

About the Author

Science journalist Rodrigo Pérez Ortega reports on health, medicine, life sciences, policy and academia.


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