Health is the state of physical, mental and social well-being. It is not just being free from disease., There are two main types of disease, communicable and non-communicable., Communicable diseases are infectious and can be spread between individuals and are usually caused by pathogens such as a virus or bacteria., Non-Communicable diseases are not infectious and will not spread between individuals. they include conditions such as cancer and diabetes., Different types of disease may interact. This can mean that the presence of one disease can lead to a higher chance of developing another disease., For instance severe physical ill health can sometimes lead to depression and other types of mental illness., Certain viral infections can lead to increased risk of cancers, such as the link between cervical cancer and the human papilloma virus., Anything that increases a chance of developing a disease is called a risk factor., Some risk factors have been proven to cause a disease. We know that smoking causes lung cancer. Other risk factors are linked but not proven., Risk factors can be caused by lifestyle factors or substances in a person's body or their environment.,

Health, Risk Factors and Disease

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