File Name: different types of diseases and their causes .zip
Zoonosis is another name for a zoonotic disease. This type of disease passes from an animal or insect to a human. Zoonotic diseases range from minor short-term illness to a major life-changing illness. Certain ones can even cause death. Many transmissions occur when people hike, bike, boat, or enjoy other activities in the great outdoors. Those who live and work on farms are in close contact with many types of livestock. Livestock is a common carrier of many zoonoses.
These infectious microscopic organisms are known as pathogens, and they can multiply quickly. Examples of pathogens include:. They can spread in several different ways, including through:. In this article, we explain the different types of infections, how to reduce the risk of infection, and what symptoms they cause. Stay informed with live updates on the current COVID outbreak and visit our coronavirus hub for more advice on prevention and treatment.
A disease is a particular abnormal condition that negatively affects the structure or function of all or part of an organism, and that is not due to any immediate external injury. A disease may be caused by external factors such as pathogens or by internal dysfunctions. For example, internal dysfunctions of the immune system can produce a variety of different diseases, including various forms of immunodeficiency , hypersensitivity , allergies and autoimmune disorders. In humans, disease is often used more broadly to refer to any condition that causes pain , dysfunction , distress , social problems , or death to the person afflicted, or similar problems for those in contact with the person. In this broader sense, it sometimes includes injuries , disabilities , disorders , syndromes , infections , isolated symptoms , deviant behaviors , and atypical variations of structure and function, while in other contexts and for other purposes these may be considered distinguishable categories. Diseases can affect people not only physically, but also mentally, as contracting and living with a disease can alter the affected person's perspective on life.
Foodborne illness is caused by consuming contaminated foods or beverages. Many different disease-causing microbes or pathogens can contaminate foods, so there are many different types of foodborne illnesses. Most foodborne diseases are infections caused by a variety of bacteria, viruses, and parasites. Other diseases are poisonings caused by harmful toxins or chemicals that have contaminated food. Of note many foodborne pathogens also can be acquired through recreational or drinking water, from contact with animals or their environment, or through person-to-person spread.
The word disease implies that dis-ease not easy. In other words malfunctioning or improper functioning of various body parts like genetic disorder, hormonal imbalance, malfunctioning of immune system of body are some factors which affects the human health. The diseases caused by intrinsic sources are called organic or metabolic diseases like cardiac failure, kidney failure, diabetes, allergies, cancer etc and the diseases caused by extrinsic factors are Kwashiorkor, obesity, Night blindness, scurvy etc.
The kidneys are a pair of fist-sized organs located at the bottom of the rib cage. There is one kidney on each side of the spine.
Infectious diseases are disorders that are caused by organisms, usually microscopic in size, such as bacteria, viruses, fungi, or parasites that are passed, directly or indirectly, from one person to another. Humans can also become infected following exposure to an infected animal that harbors a pathogenic organism that is capable of infecting humans. Infectious diseases are a leading cause of death worldwide, particularly in low income countries, especially in young children. Three infectious diseases were ranked in the top ten causes of death worldwide in by the World Health Organization. They are lower respiratory infections 3. Another infectious disease, malaria, accounts for a top cause of death in low income countries.
Ей в голову пришла и другая мысль - известно ли Хейлу, что Танкадо уже нет в живых. Сьюзан стала быстро закрывать файлы электронной почты Хейла, уничтожая следы своего посещения. Хейл ничего не должен заподозрить -. Ключ к Цифровой крепости, внезапно осенило ее, прячется где-то в глубинах этого компьютера. Когда Сьюзан закрывала последний файл, за стеклом Третьего узла мелькнула тень.
Как это странно, подумал Стратмор, что насчет вируса Чатрукьян был прав с самого начала. Его падение пронзило Стратмора холодным ужасом - отчаянный крик и потом тишина. Но более страшным стало то, что он увидел в следующее мгновение. Скрытые тенью, на него смотрели глаза Грега Хейла, глаза, полные ужаса. Тогда Стратмор понял, что Грег Хейл должен умереть.
Кроме того, она понимала, что времени почти не оставалось. Стратмор сидел наверху с береттой в руке.
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