are diseases and infections the same thing?
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Infection, often the first step, occurs when bacteria, viruses or other microbes that cause disease enter your body and begin to multiply. Disease occurs when the cells in your body are damaged — as a result of the infection — and signs and symptoms of an illness appear.
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A germ is a germ is a germ, right? Germs are dirty, they make you sick, and that's the end of that. Well, that's not quite true. While viruses and bacteria can both cause infections or illness, they are quite different.
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In our view, aging differs from disease in the same way that cause differs from effect. Aging is the cause of many age-related diseases. Correspondingly, these age-related diseases are a consequence of aging. Thus, it is an oversimplification to recognize aging as a disease (as to equate cause and effect).
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Viruses cause familiar infectious diseases such as the common cold, flu and warts. They also cause severe illnesses such as HIV/AIDS, smallpox, and Ebola. Viruses are like hijackers. They invade living, normal cells and use those cells to multiply and produce other viruses like themselves.
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Non-communicable diseases are the diseases that are not transferred from an infected person to another via any means and are mostly caused by factors like improper lifestyle and eating habits. Communicable diseases are also known as infectious diseases. Non-communicable diseases are also known as chronic diseases.
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For most viral infections, treatments can only help with symptoms while you wait for your immune system to fight off the virus. Antibiotics do not work for viral infections. There are antiviral medicines to treat some viral infections. Vaccines can help prevent you from getting many viral diseases.
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Disease: A particular distinctive process in the body with a specific cause and characteristic symptoms. Disorder: Irregularity, disturbance, or interruption of normal functions. Syndrome: A number of symptoms occurring together and characterizing a specific disease.
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So, what is a contagious disease? Recap time. Communicable diseases are infectious diseases. An infectious disease is contagious when it spreads through direct, bodily contact with an infected person, their discharges, or an object or surface they've contaminated.
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Infectious and non-infectious diseases are very different. An infectious disease can be transmitted from one person to another, while a non-infectious disease cannot be spread through person-to-person contact.
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Bacterial infections are caused by bacteria, while viral infections are caused by viruses. That's the easy part. Differentiating between the two requires medical intervention since both may cause fever and irritability. And the treatments vary significantly.
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A parasitic disease, also known as parasitosis, is an infectious disease caused or transmitted by a parasite. Many parasites do not cause diseases as it may eventually lead to death of both organism and host. Parasites infecting human beings are called human parasites.
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Illnesses like influenza, or “the flu,” and upper respiratory infections (URIs) fall under the category of viral infections, while illnesses such as pneumonia, sinusitis and ear infections are considered bacterial infections.
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Infection refers to the invasion and multiplication of a pathogen within the body, while inflammation is the body's protective response against infection. Inflammation is a complex process involving various types of immune cells, clotting proteins and signaling molecules, all of which change over time.
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There is a difference between TB infection and TB disease. When a person has been exposed to someone with TB disease and has breathed in the TB germs, that person may become infected with TB. In most cases, people with healthy immune systems can contain the infection at that point and not become ill with TB disease.
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STDs are sometimes called sexually transmitted infections (STIs). STDs are infections that spread from person to person through sexual activity, including anal, vaginal, or oral sex. STDs are caused by bacteria, parasites, and viruses. HIV is an STD.
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Pathogens are disease-causing microorganisms. Pathogens are of different kinds such as viruses, bacteria, fungus, and parasites. Pathogens can be found anywhere including in the air, food and the surfaces that you come in contact with. While often confused as the same thing, bacteria and viruses are kinds of pathogens.
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As adjectives the difference between infected and affected is that infected is referring to something that has received an infection while affected is influenced or changed by something.