11 Facts About Human Immune System
11 Facts About Human Immune System
Every body recognizes the existence of"intruders", then he will issue a"troops", ie white blood cells, in order to destroy the intruder. There are 11 shocking facts of the body's immune system.
As report by LiveScience, following the eleventh facts :
1. There are some people whose immune systems are low
In a 1976 movie,"The Boy in the Plastic Bubble, describes a person who should be in a sterile environment, because the body is not able to fight the virus. Thing that is real, because there are 1 out of every 100,000 births with a low immune system. A the only treatment is a bone marrow transplant.
2. Believers disease causes fluid imbalance
Germ theory of disease states that microorganisms cause several diseases, very famous in the 19th century. And the theory is to survive until the germ theory. But basically, the human body, there are four liquids, namely : blood, yellow bile, black bile, and phlegm. The deficiency or excess fluid, can cause defects.
3. Immunity known since 2000 years ago
The vaccine was developed around the 18th century, but before that the people already know the importance of vaccination. Such records in the history of plague that hit Athens 430 BC, they realize that the people who have been exposed to smallpox will not be affected for the second time.
4. Symptoms of the disease is often the effect of working immune system.
We often hear that the cause of the pain is due to a virus, bacteria or parasites, but not entirely true. Sometimes we experience pain, caused at work in the body's immune system. Giving rise to discomfort in the body.
5. The immune system becomes vulnerable due to lack of rest
The immune system is essential to ward off colds, flu and another disease. However in recent research suggests that lack of sleep can lead to a reduction of T-cells. Who will respond to any pests that attack.
6. Milk helps the development of vaccine the first time
In the 1700s, there practice in the west in treating smallpox patients that can lead to death. But thanks to kids 8 years working in dairies are exposed to smallpox and recovered, successfully developed a vaccine with the help of cow's milk.
7. Autoimmune mostly affects women
Is an autoimmune disorder where the body's natural defenses become more active. Even the white blood cells invade normal tissue, as if they were foreign objects. About 5 to 8 percent of Americans experiencing autoimmune, and 78 percent are women.
8. Intestinal bacteria are key immune
The human body is home to trillions of bacteria. In the human gut, there are a lot of good microbes will synthesize vitamin B and K. In addition, these good microbes also helps the immune system in various ways.
9. Sunlight affects the immune system
For decades, researchers acknowledge that exposure to ultraviolet light, can suppress the body's response to bacteria, fungi, viruses and parasites. To suppress exposure to sunlight, UVR dose required approximately 30 to 50 percent. However, the body needs sunlight to produce vitamin D.
10. The percentage of white blood cells are very small
Immune system to work every day, but the"army"( white blood cells ) occupies only a small part of our blood. But in every microliter, there are about 5,000-10,000 white blood cells, which always protects the body.
11. Sea stars have an ancient immune system
There are two immune systems, the innate and adaptive immunity. The innate immune system, composed of cells and proteins. And the adaptive immune system, there are as acts of resistance, such as those found in starfish. These animals did not evolve since 500 million years ago.
