Communicable and non communicable disease

• Communicable diseases can be spread from person to person
• Communicable disease are spread by pathogens such as bacteria or viruses
• Non communicable disease cannot be passed from person to person
• Health is defined as the physical and mental wellbeing
• I’ll health can be caused by poor diet high stress levels and other life situations eg working with chemicals
• Tuberculosis is a communicable lung disease it can be fatal
• In most people the immune system can fight off tuberculosis however some people have a defective immune system eg people with hiv
• People with a diffective immune system are more likely to suffer from infectious diseases
• HPV is extemely common in most people it is essentialy harmlessbut in some people hpv can cause cervical cancer
• Most cervical cancers are caused by hpv infecting the cells of the cervix
• Infection with hpv causes another disease (cervical cancer )
• Sometimes disease can be triggered by the immune system eg allergies
• The body is infected With a pathogen which the immune system fights off but the person is left with an allergy
• Sometimes a mental illness can be triggered by a physical illness ( depression caused by arthritis)