High-intensity exercise increases lactate - which is transported into the brain and increa

Well SupportedVigorous exercise stimulates lactate production in muscles, which travels to the brain and triggers the production of neurotransmitters like serotonin and norepinephrine.

Partially SupportedPlasma 5-hydroxytryptamine (5HT) levels are linearly associated with exercise intensity, with high-intensity exercise showing the most robust effect.

Partially SupportedStarting the day with a 10-20 minute high-intensity interval training (HIIT) workout can improve motivation, focus, and attention.

Partially SupportedSerotonin regulates self-control and interference control, including selective attention and cognitive inhibition.