[Biology Class Notes] on Chronic Diseases and Poor Health Pdf

Have you ever looked at any diseased person who has been showing symptoms for a long time and keeps visiting doctors regularly?  Do you also wonder why their illness lasted for so long? If the answer to any of these questions is yes then you are thinking in the right direction. These diseases are different from your regular flu or fever. But how? Let’s see.

Diseases can be classified into two broad categories, namely chronic diseases and acute diseases. Before discussing chronic diseases and poor health associated with them, let’s take a slight idea of acute diseases. Acute disease is a disorder that has recently onset and lasts for a short time and accompanies distinct symptoms.  Strep throat and appendicitis are examples of acute diseases. Chronic diseases or chronic illnesses are diseases that occur gradually and may last for a long time, even for a lifetime. It leads to hampering of the organ and organ system thereby affecting the lifestyle and quality of life. Arthritis, Asthma, COPD and Diabetes are some of the chronic diseases examples.

A List of Examples for Chronic Diseases

Below are a few more chronic illness examples:

What Are the Symptoms of Chronic Diseases?

Chronic disease can have severe side effects on the body of a patient and some of the common symptoms associated with various chronic diseases are as follows: 

Risk Factors for Chronic Diseases

  1. Non – Modifiable Risk Factors: These are the risk factors associated with hereditary, age, gender and age. These are not because of the choices of a person and the risk factors are non-modifiable or not alterable. Some of the examples due to these risks include hypertension, diabetes and coronary heart disease.

  2. Behavioural Risk Factors: These are the risk factors associated with numerous lifestyle habits that increase the probability of chronic diseases. Some of these risk factors are obesity or overweight, physical inactivity, unprotected sex habits and high alcohol consumption.

  3. Cultural and Environmental Risk Factors: These are the risk factors associated with societal class structure, changes in purchasing behaviour, access to and level of education and wealth of the local population. Some of these factors include exposure to hazardous materials such as air/water/soil/food, climate change, occupational hazard, ionizing radiation and viruses.

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Causes of Chronic Diseases

Various causes of chronic diseases are associated with the above risk factors; some causes of chronic diseases related to these risk factors include:

  • Unhealthy diet, excessive smoking, tobacco use and physical inactivity (Associated with Behavioural Risk factors).

  • Raised blood pressure, high blood pressure, abnormal blood lipids and overweight (intermediate risk factors).

Prevention of Chronic Diseases

Certain precautionary measures and good lifestyle habits help in preventing chronic diseases. Chronic diseases can be controlled and certain risk factors can be eliminated if we follow healthy eating habits, quit smoking, get regular physical exercises or yoga, avoid drinking too much alcohol, control body weight, intake deep night sleep and be aware of family history. It is often difficult for people to transform their regular habits and change their lifestyle, however, if we strive to gradually replace bad habits with healthy habits such as daily physical activity, less consumption of junk food and unsuitable diet control negativities, having the strength to deal with treatments and have the confidence to fight against chronic situations.

How are Chronic Diseases and Poor Health Related?

We are now well aware of chronic disease, its causes, symptoms and examples. Let us now understand poor health and how both are related to each other. Poor health is a situation where a person is unable to perform physically, socially or mentally what he or she is required to do. Chronic diseases are highly effective to result in the poor health of a person since it is associated with abnormal functioning of various organs in the body. Various health issues become a part of a person’s daily life due to chronic diseases and many of these are non-curable, only manageable. Many chronic diseases are fatal and some are highly expensive to cure. Therefore, a healthy diet and regular exercise is a must for people of all ages. This will not only prevent chronic diseases but make you all-time healthy, hearty and keep diseases at bay. As a result, people will have good health instead of poor health.

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Conclusion

Reading this topic teaches us about how serious the problem of chronic diseases is and why it is a matter of concern worldwide. You have also learnt about the factors which are majorly responsible for its wide propagation. After reading this topic we also learnt how it can be prevented and how they are related to poor health. But more than anything, studying this topic teaches us how alarming the situation is and how important it is for us to focus on health.

To read more such topics on biology you can refer to ’s website. You can also read about types of diseases from ‘s website. For the NEET the topic of Human Health and Disease is very important.

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