In social animals, stress from competing for dominance or coping with subordination can influence brain health by inducing oxidative stress.
Oxidative stress occurs when an
Spaceflight poses a wide range of brain health challenges for astronauts, extending far beyond the obvious dangers of venturing into space to advance human exploration.
For years, researchers exploring chronic pain have focused mainly on neurons, the cells responsible for transmitting pain signals. That may not be the entire truth.
Microglia, the immune cells of the brain, are essential for sculpting neural circuits by clearing away excess neurons and cellular debris during the brain development.
Gut health can affect overall well-being. Scientists have long suspected that the trillions of bacteria in our guts could also influence various aspects of health.