Chronic stress, or a constant stress experienced over a prolonged period of time, can contribute to long-term problems for heart and blood vessels. The consistent and ongoing increase in heart rate, and the elevated levels of stress hormones and of blood pressure, can take a toll on the body.
Excess Tearing. The most common cause of tear stains in dogs is excess tearing or epiphora, which makes the hair and skin around the eyes damp. This can lead to the growth of bacteria and yeast. Red yeast, which produces a reddish brown discoloration of the face, is a common cause of tear stain problems.
Causes of Tear symptoms (Tears). The list of medical condition causes of Tear symptoms (Tears) includes: 1  Absolute Glaucoma-Tearing. 2  Acanthamoeba infection-excessive tearing. 3  Acanthamoeba infection of the eye-excessive tearing. 4  Acanthamoeba keratitis-excessive tearing.5  Acroosteolysis neurogenic-abnormal tearing.or a medical symptom description of 'Tears', the following symptom information may be relevant to the symptoms: Tear symptoms (symptom). However, note that other causes of the symptom 'Tears' may be possible. More information on symptom: Tear symptoms: