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Lecture Notes

Anxiety disorders affected about 18% of the population the year before this survey was conducted, as you can see in the figure on the left-hand side, and nearly 30% of those surveyed at some point in their lifetime. So it's a very common problem in the US, and you can also see that, in the figure on the right, that anxiety disorders are more prevalent in women compared to men, and they tend to peak between the ages of 30 and 44 and then decline as we age.