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Dogs Can Feel Stress From Humans, Study Suggests

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17 Medical Reasons You Always Feel Cranky

Heart failure iStock/champja People with heart failure will be fatigued, and might get preoccupied with their breathing, medication, and health—enough to put anyone on edge. Plus, heart problems mess with blood flow to the brain, which is what controls your emotions. “Anything that compromises blood circulation to the brain, especially the frontal lobes, can produce […]