The human body is susceptible to a number of deadly diseases. Sometimes the immune system is strong enough to fight them, while in other cases, medicine is necessary, or even in situations extreme medicines are enough not to save people (or there is no cure for the disease). Lets take a look at 10 most deadliest diseases in the world, according to the World Health (who) Organization.

10 .TB

Tuberculosis (TB) is one of the most unpredictable diseases. It is a bacterial infection that affects the lungs. However, it can spread to other organs of the body. In some cases, TB can remain stagnant, while in other cases, the disease can begin wreacking havoc immediately. Symptoms of TB include weight loss, excessive sweating, fatigue and fever.

9. DIABETES MELLITUS

Diabetes occurs when the pancreas is unable to create enough insulin for the body to use, or when the body loses its ability to use insulin produced by the pancreas. The first is known as Type 1 diabetes. This type of diabetes sets in childhood. Meanwhile, this last type of diabetes is known as Type 2 diabetes, that defines a person when he or she is an adult. The main symptoms of diabetes are increasing hunger, increased thirst, frequent urination and weight loss.

8. HYPERTENSIVE HEART DISEASE

Hypertensive heart disease is essentially the formation of arterial hypertension, which affects the heart. This could lead to a number of cardiac complications and in some cases, even heart failure, which could lead to death. If this doesn’t cause heart failure, the patient usually feels hypertension. This seems to be the only symptom known disease. Other physical signs may include a frequent urge to urinate at night, abdominal pain, shortness of breath, nausea, swelling of the legs and fatigue.

7.DIARRHEA

Diarrhea is a disease where the patient passes watery stools or in bulk. Generally, this does not last more than two or three days. However, in some cases it may last weeks or even a month. In this case, a patient really needs to be worried, because it means that their immune system is not operating properly. In such cases, the diarrhea is considered a chronic disease. Diarrhea causes dehydration and the body lose fluids and essential electrolytes.

6 LUNG CANCER

Lung cancer occurs mainly in people who smoke cigarettes. Earlier a person begins to smoke and more a person smoked per day, the higher is its chances of getting lung cancer. However, smoking is not the only way they get lung cancer. There were many cases where people who do not smoke got lung cancer. This is expected to mainly come from passive smoking.

5.THE HIV/AIDS

HIV stands for Human Immunodeficiency Virus, and as its name suggests, it weakens the immune system of humans human. A cure for this virus is still not found, since its discovery in the 1980s. HIV attacks T cells and CD4 cells in human blood. These two cells are used to fight external infections in the human body. Thus, HIV weakens considerably a person, eventually leading to his death.

4.LOWER INFECTIONS RESPIRATIORY (BRONCHITIS & PNEUMONIA)

This infection is mainly two kinds-bronchitis and pneumonia. These infections affect the process of respiration of the person. The classic symptoms of these diseases are the evil throat flowing, sneezing, nose running and headache. This disease is caused by bacterial and viral infections in the lungs and may be very difficult to diagnose.

3. STROKE

A stroke is the loss of the capacity of the brain function due to a lack of blood. Strokes are caused mainly due to hemorrhage. This is a very serious problem and leads to death in many cases.

2. COPD

(COPD) Chronic Obstructive Pulmonary disease is a very common disease of the lung. This makes it very difficult to breathe for the patient. There are two types of COPD, chronic bronchitis (long-term cough with mucus) and emphysema (a progressive destruction of the lungs of the patient). The air pollution and smoking seems to be the main cause of this disease.

1. HEART DISEASE ISCHEMIC

Ischemic heart disease is the condition where the body has not delivered blood and oxygen to a particular body. It’s a very serious problem, as the failure of vital organs such as the heart and the brain could lead to instant death. This disease is most often found in middle-aged men. However, it is also not uncommon to find the disease in women also.

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