Being in a state of Anxiety
To be anxious about apprehensive situations is part of human nature. Simple literal meaning of anxiety is being anxious. It is one of the most common instincts of mankind like happiness, depression, e.t.c. All individuals experience anxiety at some point in their lives.
L-R : Persons suffering from anxiety neurosis worry incessantly with small problems or for no reason (Internet Photo) ; Drugs are used to treat anxiety along with anxiolytics, tranquilizers and sedatives (Internet Photo)