Biology of Fear and Anxiety

What Is the Biology of Fear and Anxiety?

ByTarik Regad

Fear is a primitive human emotion that is caused by specific threat-related stimuli leading to adaptive behaviors aimed at preventing or coping with that threat. The central organ that controls and regulates fear is the amygdala, an almond-chapped structure located deep within the brain’s temporal lobes. 1. What Is the Function of the Amygdala in…

Chronic Fatigue Syndrome

What Is Chronic Fatigue Syndrome?

ByTarik Regad

Chronic fatigue syndrome (CFS) or myalgic encephalomyelitis (ME) is an illness characterized by profound disabling tiredness, a diminished capacity to perform routine tasks, and sleep disruption that lasts for more than 6 months. 1. Epidemiology of Chronic Fatigue Syndrome Based on prevalence estimates from the Institute of Medicine, chronic fatigue syndrome affects around 0.2-2.6% of…