What is separation anxiety in adults?

Explanation:

People with adult separation anxiety disorder experience high levels of anxiety, and sometimes even panic attacks, when loved ones are out of reach. People with this disorder may be socially withdrawn, or show extreme sadness or difficulty concentrating when away from loved ones.

i think the correct answer is b) humans who reduce their calorie intake by at least 25 percent on a long-term basis will live longer than they would have they not done so. i hope i you out

i think its pulmonary not sure tho