War Neurosis - an alternate name for PTSD dating from WWII.

War Tremor - severe and uncontrollable muscular tremor resulting from battle shock. Also see convulsion.

Water Therapy - see hydrotherapy.

White-coat Effect - a modest rise in blood pressure caused by anxiety over a medical exam. Also see anticipatory anxiety, hypertension, psychosomatic.

WHO - see World Health Organization.

Will - self motivation.

Will Power - the degree self motivation exercised.

Will Training - any technique that encourages self motivation. Also see life coaching, motivational speaking.

Withdrawal - a retreat from stressors such as social interaction, responsibilities, etc. Also an abbreviation for "withdrawal syndrome."

Withdrawal Syndrome - the symptoms or pathology associated with reduction of addiction or reduced treatment of dependence. Elevated anxiety is often a prominent symptom of withdrawal syndrome. Regarding addiction (acquired dependence), withdrawal symptoms often diminish during a recovery process. Regarding other forms of dependence, withdrawal symptoms may indicate return to an original condition prior to treatment.

Womb - see uterus.

World Health Organization (WHO) - a specialized agency of the United Nations devoted to global health. "Health is defined in WHO's Constitution as a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity." Also see International Classification of Diseases.

Worried Well - an informal category for people suspected of mistaking acute stress or anxiety symptoms for a serious medical condition. Depending on circumstances, the term "worried well" may, or may not, suggest hypochondria.

Worry - see anticipatory anxiety.