These initials refer to the doctor's credentials â they indicate the type of medical school the doctor attended and the licensing exam they took to become a doctor. MD stands for Doctor of Medicine, and is the most common type of degree earned by doctors who practice medicine in the United States.
Anxiety is often manifested at various times during cancer screening, diagnosis, treatment, or recurrence. For patients undergoing cancer treatment, anxiety can also heighten the expectancy of pain,[10-12] other symptoms of distress, and sleep disturbances and can be a major factor in anticipatory nausea and vomiting.
Doctors require sufferers to have at least five of the following symptoms to support a diagnosis: 1  Depression of hopeless feelings. 2  Feelings of anxiousness, tension or edge. 3  Irritability that increases as period nears.  Oversleeping or 1  insomnia. Lack of interest in favorite things.  No 1  motivation. Loss of energy.  Difficulty focusing and concentrating.