A group of scientists from Sweden (Institute of health Enköping) have observed, during which he found an interesting fact. It turned out that problems in the family such as divorce, scandals, affect the immune system of the child affect his health.
These results scientists have received in the course of the survey of families in difficult life situations. During stress increases the synthesis of the hormone cortisol. This substance is called the stress hormone. One of its main effects is to suppress immunity and increase the risk of developing serious diseases.
Note that the death of a loved one or divorce is always stressful, even for adults. Negative emotions and stress weaken and exhaust the body. The expression "from Tosca fashionable to die" is a scientific justification. Blues and depression inevitably associated with the disease.