Generalized Anxiety Disorder
and
Anxiety In General
Globally about 4% of people will experience GAD in their lifetime.
For some folks, it can be managed to the point of being symptom-free. For others, it is a chronic condition.
Most common cause of workplace disability in the US.
and
A metaphor often used by the chronic illness/disability/mental health community to describe the physical/mental energy required to get through a day. (and pass as 'not ill')
See also: spoonie, 'all out of spoons'
Don't Be a Jerk
Do be a cool person