People with schizophrenia shows some negative health behaviors that affect their health and length of life, but also affect people around them. 
- Physical Inactivity
- Poor Diet and Nutrition 
- Substance use: Cigarettes, Coffee 
- Alcohol and Street Drugs
- Suicide


Negative Health Behaviors among People with Schizophrenia 

Mental illness is easily associated with behaviors that carry high health risks such as smoking, alcohol and other substance abuse, poor diet, and lack of exercise. 

State University of New York at Buffalo

Mental and physical health is fundamentally linked and significantly impact people’s quality of life. The World Health Organization (WHO) defines health as a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity.  The WHO also states that “there is no health without mental health.”

Connection Between Mental and Physical Health

Research showed that negative psychological states influence antiviral immunity and the immune response to vaccination.

Negative Psychological States and Immunity

Although research has primarily focused on stress and other negative psychological states, there is growing recognition that positive psychological states may also modulate the immune system and neuro-immune interactions.

Positive Psychological States and Immunity

Just as psychological states can influence the immune response, so too can activation of the immune system can influence the brain and behavior. 

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