The human brain, as the seat of mental life—from the most complicated intellectual processes down to routine and unconscious bodily control—is necessarily enormously complex. The largest part ...

Brain fog causes fatigue, confusion, and focus issues, and can stem from issues with sleep, hormones, illness, or diet. Lifestyle changes and medical care can help restore clarity.

The effect of caffeine on the brain was noted as particularly relevant in the right medial temporal lobe. This area of the brain includes the hippocampus and is responsible for processes such as ...