Depression is a debilitating mental health issue that can significantly impact a person socially and occupationally. Treatment for depression includes individual therapy, family therapy, support groups and medication.

No anti-anxiety medication is completely safe during pregnancy, but some are much safer than others. The least safe anti-anxiety medications during pregnancy are benzodiazepines, such as Xanax and Valium. They inhibit brain function by enhancing the potency of the neurotransmitter GABA.

Klonopin can be an effective short-term treatment for the symptoms of anxiety, but Mayo Clinic notes that it can cause serious side effects, including drowsiness, addiction, memory problems and muscle disorders. Klonopin is a member of the class of drugs known benzodiazepines, which also includes Xanax and Valium.

Hives (urticaria) are quite common in children. They may occur in response to a variety of substances, such as food, latex, medications or insect bites. Most hives are acute, meaning they disappear within a few days, but some cases are chronic and last weeks or longer.

Anxiety disorders affect one in eight American children, and are often associated with depression, eating disorders and attention-deficit/hyperactivity disorder, according to Anxiety Disorders Association of America.

ADHD -- attention deficit hyperactivity disorder -- is one of the most common disorders of childhood. Its symptoms often persist into adulthood as well, and may negatively impact learning, work and home life. There are three types of ADHD, according to the National Institute of Mental Health.

Autism, according to the Autism Society of America, is one of the five pervasive developmental disorder (PDDs). These neurological disorders cause severe impairment in several areas of development. Considered one of the most common PDDs, autism occurs in approximately one out of every 100 births.

The use of birth control pills, oral contraceptives, to help prevent pregnancy is widespread. Oral contraceptives contain progestin or synthetic progesterone.

Asperger syndrome, sometimes referred to as Asperger's or AS, is part of a group of autism spectrum disorders that is usually noticeable in children by the age of 3. Being part of a spectrum disorder means that symptoms of Asperger's can range from very mild to extreme.

The human brain is a complex organ and why you do what you do, at any given time, depends on the circumstances and how you feel about them. To examine why you may feel anxiety after exercise, you have to look at the various theories on how human beings interpret experiences and emotions.

Serotonin and norepinephrine are two neurotransmitters that are involved in mood, and are thought to be connected to depression. The Mayo Clinic notes that it is hypothesized that a deficit in either neurotransmitter can cause depression.

Anxiety can range from an occasional mild feeling of emotional discomfort to daily occurrences of disabling emotions. The National Institute of Mental Health says that approximately 40 million Americans aged 18 or older have an anxiety disorder. There are many situational causes of anxiety.