Mental Health Main article: Mental Health. And mental health can be seen as a very important factor in the physical health of their effects on the body's functions. This kind of emotional health for the well-being and cognitive disorder or lack of mental2. World Health Organization (WHO) defines mental health as "a state of well-being which the individual perceives his own abilities, and can deal with the stress of everyday life, and capable of contributing to society fifty" 3. There is no official definition for mental health. There are different types of mental health problems, and some are common, such as depression and anxiety disorders, and others. Is common, such as schizophrenia or bipolar disorder Determinants of health Hygiene Cleanliness is a set of behaviors that contribute to maintaining healthy people. Ask to be able to distinguish between the good microbes, such as those who are or may become a nurse in certain circumstances, that the health conditions seek to make less likely, less frequent or deleted. Afternoon hygienist short-term effectiveness is indisputable, and heightened sensitivity, and autoimmune diseases, antimicrobial resistance and acquired diseases of concern. A fair balance between exposure to risk research and current medical solutions difficult in the context of the increased exposure to complex cocktails pollutants (especially pesticides) and hormone imbalance, and societal changes of the global climate (see risk emerging diseases, and B, and the risk of bioterrorism animal).. Hospital infection control at the hospital, or against food borne disease, for example, was founded after the discovery of sterility under the influence Semmelweiss Ignal or Louis Pasteur. And individual and collective behavior are of paramount importance in the fight against epidemics or pandemics. This discipline aimed at controlling environmental factors that can contribute to poor health, such as pollution, with the paradox of management issues, for example, seems a paradox improved hygiene and encouraged the re-emergence of diseases such as polio and various autoimmune diseases and allergies. Lifestyle Closely linked to several risk factors for lifestyle. Personal care, physical activity, diet, and work, and addiction problems, and in particular, have an overall impact on the health of individuals.