Women who are narcissistic think about themselves before others and act as if the world revolves around them. Women who have narcissistic personality disorder also always put themselves first; however, the personality disorder affects their lives occupationally and socially.

The nicotine in cigarette smoke is addictive. When used in small amounts, nicotine creates a pleasurable feeling, which makes you want to smoke more. The more you smoke, the more you crave. One of the major problems is when you want to quit, you suffer withdrawal symptoms.

Anxiety occurs as a normal reaction to stress; however, when it becomes excessive or interferes with everyday activities, it can become disabling. A stroke occurs when something interferes with the blood flow to the brain.

A rash is a change in the color or texture of the skin. When the rash involves raised red spots or welts, often around the neck and face, the condition is called hives. Hives can be triggered by stress in children or adults. This condition is quite common and usually harmless.

College is a new and exciting time, but it can be overwhelming. Among all of the new experiences, and learning and growing opportunities available in a college environment, many may lead to unhealthy levels of stress which hinder students' abilities to socialize and to achieve their academic goals.

Depression can leave you feeling like you've been hit by a bulldozer. While some people might think you can "will" yourself out of feeling depressed, depression is actually a serious mental disorder causing a variety of symptoms that interfere with your functioning and everyday life.

Those with bipolar disorder tend to suffer the slings and arrows of the ups and downs of life more than most. Since the highs and lows of life can unbalance the bipolar patient, career choices need to be made that are likely to be supporting in her therapy, give measured success and play to her strengths.

Depression is a common mental health problem that is often treated by a class of medication called serotonin-specific reuptake inhibitors, or SSRIs. Examples of SSRIs include fluoxetine--Prozac--and sertraline--Zoloft.

Sociopathic personality disorder also is known as antisocial personality disorder, the Mayo Clinic states. It is a mental illness that is chronic and affects the way you think in relation to society and people.

Trembling. Rapid breathing. Fatigue. These are all common symptoms of anxiety, a condition that affects millions of people. In fact, approximately 40 million adults in the United States have some type of anxiety disorder, according to the National Institute of Mental Health.

Nearly 177 million babies and children around the world are malnourished and, as a result, face serious complications and even death, according to The Child Welfare League of America. One in ten households in the United States experiences hunger or risks going hungry.

ADHD, or attention deficit hyperactivity disorder, is a term used to describe various combinations of symptoms related to impulsive behavior, inattention and hyperactive behavior. These symptoms typically manifest in childhood and may continue into adulthood.