Thyroid disease in cats is linked to heart disease and a fast heartbeat in conjunction with any other symptoms of thyroid problems is cause for a trip to the vet. Once the hyperthyroidism is treated, your cat's heart rate should return to normal.
Stress reaction â some studies have found that paranoia is more common in people who have experienced severe and ongoing stress â for example, prisoners of war. How stress can trigger paranoia is unclear.
Chronic Stress. Chronic stress increases the risk of developing health problems including obesity, diabetes, heart disease, cancer, and a weakened immune system. Chronic stress also affects a personâs mental health.Many studies show a correlation between stress and the development of mood disorders such as anxiety disorders and depression.he bodyâs stress response was not made to be continuously engaged. Many people encounter stress from multiple sources, including work; money, health, and relationship worries; and media overload. With so many sources of stress, it is difficult to find time to relax and disengage.