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.
Menopause panic disorders or paranoia refers to a state of suspended panic due to hormone changes, causing women viewing themselves, others and stressors through a lens of heightened anxiety. Menopause panic disorders can create sweeping feelings of impending doom, as hormone changes lead women to experience heightened states of prolonged anxiety.