Karah has just been diagnosed with seasonal affective disorder (SAD); she has no idea what that is. She comes to you as the nurse to explain what her physician meant by SAD and she should get more sun
a. What is SAD?
b. What causes it?
c. What are the symptoms?
d. What type of explanation or teaching instructions will you give her?
Students' answers should include the following:
a. Mood disorder triggered by photoperiods, which are shorter daytime periods
Onset is during winter months or darker days and disappears around springtime.
More prevalent in northern states
b. Thought to be a biologic response to the shorter days like hibernation in animals
c. Symptoms include sleepiness, fatigue, lethargy, lack of energy, irritability, lack of concentration, weight gain, and depression.
d. Phototherapy for those who don't have sunshine
Natural light is better than artificial, and symptoms usually subside with the seasons.
Exposure to natural sunshine helps reduce the symptoms.
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