Separation anxiety is part of development for young children, but it may also occur in adults. Unfounded fear concerning one's self or family, difficulty sleeping, and depression are some of the symptoms. Treatment involves learning management strategies and therapy. Source: What is separation anxiety disorder in adults?
The adult brain generates neurons every day. These cells help us to distinguish one memory from another—a finding that could lead to novel treatments for anxiety disorders http://www.scientificamerican.com/article/a-connected-world-possible-antianxiety-therapies-water-reuse-and-nobel-laureates/?wt.mc=SA_App-Share
Anxious people tend to perceive their world in a more threatening way. Now, a team of neuroscientists have shed new light on why the brains of anxious individuals tend to misallocate memory resources to process threat-related information. “Our findings may help explain the reasons why people continue to worry, ruminate, stay vigilant, or feel distressed
Everyone worries or feels nervous from time to time. Anxiety is a normal human reaction to stressful situations. But for people with anxiety disorders, those fears and worries aren't temporary. Their anxiety persists, and can even get worse over time. Anxiety disorders can severely impair a person's ability to function at work, school and in