If it's a screw, drive it in a little tighter by hand. If it's a nail, use a nail set and a hammer to drive it about 1/8 inch deeper. Push on the wall to see if it flexes. The drywall could have separated from the studs. If so, you should drive in some 1-1/4 or 1-5/8 drywall screws, above and below the nail pop, to better secure the drywall. Then fill the holes with a setting type of drywall patching material.
Panic attacks and panic disorder may be caused by an imbalance of brain chemicals or a family history of panic disorder. They sometimes happen with no clear cause. Panic attacks may also be brought on by: 1  A health problem such as an overactive thyroid ( hyperthyroidism ), or heart or breathing problems. 2  Depression or another mood disorder. 3  Alcohol abuse. 4  Using too much nicotine or too much caffeine. 5  Taking certain medicines, such as those used to treat asthma and heart problems.
Panic attacks are sudden periods of intense fear that may include palpitations, sweating, shaking, shortness of breath, numbness, or a feeling that something really bad is going to happen. The maximum degree of symptoms occurs within minutes. There may be a fear of losing control or chest pain. Panic attacks themselves are not dangerous. Panic attacks can occur due to number of disorders including panic disorder, social anxiety disorder, post traumatic stress disorder, drug use, depression, and medical problems. They can either be trigger or occur unexpectedly. Risks factors include smoking and psychological stress.