The popularity of hookah, also known as shisha and narghile, runs against the anti-tobacco trend, partly because it appeals to teens and young adults. Water pipes also are exempted from some smoke-free laws and enjoy a mystique of being a more cultural and safer alternative to cigarettes. But the truth is every risk of cigarette smoking is also associated with water pipes.

The contrast between exposure to daylight and night-time darkness is thought to adjust and maintain this clock, which helps makes sure the body is working as effectively as possible at times of day when maximum alertness is required. Most adults need about 7 to 8 hours of sleep each night. You know you're getting enough sleep if you don't feel sleepy during the day.

Pregnancy may affect a patient's epilepsy, the patient's epilepsy may affect the developing fetus, and antiepileptic drugs (AEDs) may affect the developing fetus. Although there are many aspects of importance regarding pregnancy and epilepsy, such as fertility, the biological and social consequences of epilepsy, the impact of the underlying etiology of the epilepsy, genetic factors, etc.

Schizophrenia is a serious mental illness. People with this illness have disturbed and disorganized thinking, language, and behavior. They may see, hear, or feel things that aren't really there. Sometimes the speech of a person with schizophrenia makes no sense. Schizophrenia usually causes serious problems in day-to-day living.

People have a lot to say about fighting with depression and [feeling] that medicine in general sees mental illness as a weakness and not an actual disease. People feel the need to hide it . . . because we are taught that we are the healers and not the ones with problems.

Schizophrenia is a most interesting and vexing disease. Its prevalence is high (0.85 percent), its economic impact is severe, and the disease processes undermine a myriad of brain functions, causing distinctively human impairments.

Sleep is more important than you may think. Maybe you can think of a time when you didn't get enough sleep. That heavy, groggy feeling is awful and, when you feel that way, you're not at your best. So if you're not too tired, let's talk about sleep.Researchers believe too little sleep can affect growth and your immune system - which keeps you from getting sick.