Stress

Why Stress Makes Past Threats Seem Scary Again

We’re likely to perceive danger in harmless circumstances when memories of past negative experiences combine with stress, research shows. The findings shed light on fear generalization, a core component of anxiety and stress-related disorders.

This Might Be How Stress and Heart Attacks Are Linked

Scientists have long known that stress can influence your heart health, but exactly how this relationship takes place has been something of a mystery -- until now. Activity in the amygdala, a region of the brain associated with fear and stress, can predict your risk for heart disease and stroke, according to a study published in the journal The Lancet on Wednesday.

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