The Top 10 Deadliest Diseases

Perhaps even more surprising is that several of the deadliest diseases are partially

 preventable. Non-preventable factors include where a person lives, access to

preventive care, and quality of healthcare. These all factor into risk. But there are

 still steps everyone can take to lower their risk.

When people think of the deadliest diseases in the world, their minds probably

 jump to the fast-acting, incurable ones that grab headlines from time to time. But

in fact, many of these types of diseases don’t rank in the top 10 causes of

worldwide deaths. An estimated 56.4 million peopleTrusted Source passed away

 worldwide in 2015, and 68 percent of them were due to diseases that progressed

slowly.

Heart disease

Annual mortality rate 7.25 million

Percent of all deaths   12.8%

schemic means that an organ (e.g., the heart) is not getting enough blood and 

oxygen. Ischemic heart disease, also called coronary heart disease (CHD) or 

coronary artery disease, is the term given to heart problems caused by narrowed 

heart (coronary) arteries that supply blood to the heart muscle.



Cerebrovascular disease

Annual mortality rate 6.15 million

Percent of all deaths   10.8

Cerebrovascular disease refers to a group of conditions, diseases, and disorders 

that affect the blood vessels and blood supply to the brain. If a blockage, 

malformation, or hemorrhage prevents the brain cells from getting enough 

oxygen, brain damage can result.

Includes Diseases: Stroke



Lower respiratory infections

Annual mortality rate 3.46 million

Percent of all deaths   6.1

Lower respiratory tract infection (LRTI), while often used as a synonym for 

pneumonia, can also be applied to other types of infection including lung abscess

 and acute bronchitis. Symptoms include shortness of breath, weakness, fever, 

coughing and fatigue. ... The two most common are bronchitis and edema.





Chronic obstructive pulmonary disease


Annual mortality rate 3.28 million

Percent of all deaths   5.8

Chronic obstructive pulmonary disease (COPD) is a common lung disease. 

Having COPD makes it hard to breathe. There are two main forms of COPD: 

Chronic bronchitis, which involves a long-term cough with mucus. Emphysema, 

which involves damage to the lungs over time.




Diarrhoeal diseases

Annual mortality rate 2.46 million

Percent of all deaths    4.3

diarrhea dīərē´ə [key], frequent discharge of watery feces from the intestines, 

sometimes containing blood and mucus. It can be caused by excessive 

indulgence in alcohol or other liquids or foods that prove irritating to the stomach

  or intestine, by allergy to certain food products, by poisoning with heavy 

metals, by chemicals such as are found in cathartics, by hyperactivity of the 

nervous system, and by infection with a virus (intestinal grippe) or with bacteria 

or their toxins. Diarrhea is a concomitant of many infectious diseases, especially 

typhoid fever , bacillary or amebic dysentery , and cholera . Persistent diarrhea 

may result in severe dehydration and shock. It is therefore necessary to replace 

the fluid lost by the body. Treatment is with a bland diet and drugs that will 

decrease the activity of the intestines, as well as with specific measures directed 

at the underlying cause. The elderly are at especially high risk for diarrheal 

deaths caused by viruses. Ulcerative colitis is an inflamatory and ulcerative 

disease of the colon, properly described as  irritable bowl,  and characterized by 

bloody diarrhea. Crohn's disease affects the distal ileum and colon, but may 

occur in any part of the gastrointestinal tract, from the mouth to the anus and 

perianal area. The symptoms are chronic diarrhea associated with abdominal 

pain, fever, anorexia, weight loss, and a mass or fullness in the right lower 

quadrant (of the abdomen).



HIV/AIDS: Diagnosis & Anti-HIV Therapy


Annual mortality rate 1.78 million

Percent of all deaths    3.1


Antiretroviral therapy (ART) is the use of HIV medicines to treat HIV infection. 

People on ART take a combination of HIV medicines (called an HIV treatment 

regimen) every day. ART is recommended for everyone who has HIV. ... By 

reducing the amount of HIV in the body, HIV medicines also reduce the risk of 

HIV transmission.





Trachea, bronchus, lung cancers

Annual mortality rate 1.39 million
Percent of all deaths    2.4


Tracheal bronchus associated with lung cancer: a case report. Tracheal bronchus 

is a rarely found congenital bronchial anomaly. It usually originates from the 

right lateral wall of the trachea at the level < 2 cm above the tracheal bifurcation. 

... It is very rare for a malignant tumor to grow from this aberrant bronchus.


        
                  


Tuberculosis

Annual mortality rate 1.34 million

Percent of all deaths    2.4

Tuberculosis (TB) is a disease caused by bacteria called Mycobacterium 

tuberculosis. The bacteria usually attack the lungs, but they can also damage 

other parts of the body. TB spreads through the air when a person with TB of the

 lungs or throat coughs, sneezes, or talks.




Diabetes mellitus

Annual mortality rate 1.26 million

Percent of all deaths    2.2

Diabetes mellitus, commonly known as diabetes, is a metabolic disease that 

causes high blood sugar. The hormone insulin moves sugar from the blood into 

your cells to be stored or used for energy. With diabetes, your body either doesn't

 make enough insulin or can't effectively use the insulin it does make.





Hypertensive heart disease

Annual mortality rate 1.15 million

Percent of all deaths    2.0


Hypertensive heart disease refers to heart conditions caused by high blood 

pressure. The heart working under increased pressure causes some different heart

 disorders. Hypertensive heart disease includes heart failure, thickening of the 

heart muscle, coronary artery disease, and other conditions.





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