Causes
- Amygdala hypersensitivity
- prefrontal cortex regulatory deficits
- serotonin and GABA neurotransmitter deficiencies
Symptoms
- Racing heartbeat
- breathlessness
- tremors
- an impending sense of doom
- gastrointestinal upset
- insomnia
Risk Factors
- Chronic life adversity
- childhood emotional trauma
- excess caffeine
- hyperthyroidism
- family history
