health issues 2.2.5

• health is a state of physical and mental wellbeing with an absence of disease
• infectious diseases are caused by pathogens that spread between infected individuals
• infectious diseases include tuberculosis, flu, covid
• mental health issues can be caused by chemical imbalances in the brain
• examples of mental health issues are depression and schizophrenia
• inherited health issues are conditions people are born with as a result of their genes
• examples of inherited health issues are cystic fibrosis and down’s syndrome
• physical health issues are usually caused by accidents or poor lifestyle choices
• examples of physical health conditions are broken bones and paralysis
• deficiency health issues are lacks of vitamins or minerals
• an example of a deficiency disease is scurvy
• a communicable disease is one which is infectious and caused by pathogens
• a non communicable disease is one that cannot be transmitted from one one person to another and is not caused by pathogens
• viruses can trigger changes that lead to cancer in cells
• allergies are caused by immune reactions initially caused by a pathogen even something like a common cold can trigger allergies