One way in which exercise is believed to improve cognitive functioning is by increasing levels of ____________ in the brain.
A) cortisol
B) brain-derived neurotrophic factor (BDNF)
C) glucocorticoids
D) flavonoids

Question

Quizplus · Accepted Answer

Exercise has been shown to increase levels of brain-derived neurotrophic factor (BDNF) in the brain. BDNF is a protein that plays a key role in promoting the growth, survival and differentiation of neurons, and is believed to be important for learning and memory. Higher levels of BDNF have been associated with improved cognitive functioning, including better memory and attention.

One Way in Which Exercise Is Believed to Improve Cognitive