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Vaccines work by stimulating the immune system to produce antibodies against a foreign invader without actually infecting the individual with the disease.
As a result, when the body encounters that infection in the future, it knows how to fight it off, and you face minimal symptoms.
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59 reads
MORE IDEAS ON THIS
Some research suggests that optimism can actually make our immune system work better. “I don’t know if it’s a direct cause,” Tran says, “but the happier, or more positive you are, the more likely you are to eat right and be less stressed ...
19
57 reads
When you experience an allergic reaction , your immune system is responding to a harmless allergen that it perceives as a threat. Symptoms of an allergic reaction, which can range from ...
19
40 reads
“Think of the immune system like the military, each part has a different role"
The first line of defense is the white blood cells, who are first to recognise pathogens and fight off infection. Lymphocytes, a specific type of white blood cell, work to allow the body to remember the invading ...
19
76 reads
Though it may not be pleasant to think about, countless microbes live on and in our bodies, and they are actually necessary to maintain good health.
“Good bacteria in our body provides us with nutrients we need and also provides a defense against bad bacteria and infection,” Tran says. A b...
19
57 reads
Stress can lead to increased levels of cortisol , a steroid hormone that is important for overall function of our body; but too much of it can lead to a number of health problems, including decreased immunity. “The high level of steroid...
19
55 reads
Autoimmune diseases affect about 8 percent of the population in the United States, making up the third most common category of disease after cancer and heart disease, according to the U.S. Centers for Disease Control and Prevention...
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31 reads
Autoimmune diseases occur when the immune system destroys its own healthy tissues. In such cases, white blood cells in the body cannot distinguish between pathogens and the body...
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40 reads
Not getting enough sleep can wreak havoc on the body, and the immune system is no exception. Studies show that a lack of sleep may make you more likely to catch a cold and also makes it more difficult to fight off in...
19
46 reads
Cleaning and disinfecting may seem like the best way to avoid infection, but this is a case where there can be too much of a good thing.
“When you make your environment so clean, you minimize so many foreign pathogens that you actually minimize the development of the immune system,” Tran sa...
18
43 reads
CURATED FROM
Was learning about communicable diseases in biology, and found the process of immunity really interesting in the context of the COVID 19 pandemic.
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“Think of the immune system like the military, each part has a different role"
The first line of defense is the white blood cells, who are first to recognise pathogens and fight off infection. Lymphocytes, a specific type of white blood cell, work to allow the body to remember the invading ...
The adaptive immune system is highly specialized and tailored to recognize specific pathogens. Unlike the innate immune system, which responds immediately but generally to threats, the adaptive system remembers past invaders and prepares the body for stronger and quicker ...
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