The diagnostic category that we call includes conditions in which a client's physical illness is adversely affected by one or more psychological states such as depression, stress, denial of a diagnosis, or engaging in poor or even dangerous health-related behaviors.

Psychological factors affecting medical conditions

Explanation:

It is a disorder that is diagnosed when a general medical condition is adversely affected by psychological or behavioral factors; the factors may precipitate the medical condition, inhibit treatment, or add to morbidity and mortality

Psychological factors affecting medical conditions.

Explanation:

Psychological factors affecting medical conditions is a concept that explains to us how the ways individual's Behavior might influence the treatments of that person's ailments. Peoples attitude to their medical conditions can make their condition to be better or be worse and in worst cases it might lead to death of that person or individual.

For instance in one of the examples given in the question above which is stress. Stress can do nothing beneficial to people than to make sure that the heart weakens.