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Top 10 deadliest disease

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Amarachi GloriaLast Seen: Nov 16, 2023 @ 7:03pm 19NovUTC
Amarachi Gloria

Conditions such as heart disease, stroke and respiratory infections are the majority cause of death around the world, some preventive measures may help to lower the risk.

When people think of the deadliest disease in the world, there mind’s probably jump to the fast acting, incurable ones that grab the attention of the headline.

An estimated people who passed away  worldwide in 2019 are 55.4million, 74% of this deaths were because of non-communicable disease.

Perhaps even more surprising, is that several of this deadliest diseases are partially preventable, the non_preventable factor is where a person visit a healthcare.

1. Ischemic heart disease: when the blood vessels that supply blood to the heart becomes narrowed, the  deadliest disease which is also called coronary artery disease (CAD). 

Untreated ischemic heart disease can lead to chest pain, heart failure and arrhythmias.

This is the leading cause of death, mortality rates in many European countries and united state.

This is because there is a better public health education, access to healthcare and other forms of prevention. In developing countries the rate of ischemic heart disease is high.

Risk factors for ischemic heart disease

  1. High blood pressure.
  2. Family history of ischemic heart disease.
  3. Diabetes

Prevention of ischemic heart disease

  1. Regular excercise.
  2. Maintaining a moderate weight.
  3. Eating a balance diet that is low in sodium and high fruits and vegetables.
  4. Drink water in moderation

2. Stroke: This occurs when an artery in the brain is blocked or leak’s. This causes the oxygen been deprived to the brain cells, which causes it to die within a minutes.

During a stroke, you feel sudden numbness and confusion or trouble in walking and seeing. If left untreated can cause long_term disability.

Stroke is the leading cause of disability

Strokes are leading cause of long_term disabilities, people who receive treatment within 3hours after having a stroke are likely not disabled.

Risk factors of stroke.

  1. Smoking, especially when combined with oral contraceptives.
  2. High blood pressure.
  3. Family history of stroke.

Prevention of stroke

  1. Maintaining healthy lifestyle.
  2. Controlling your blood pressure.
  3. Eat diet that contains low sodium
  4. Excercise regularly.

3. Respiratory infection: This infection is found in your airways and lungs, caused by influenza or flu, bronchitis or tuberculosis.

This infection is usually caused by bacteria, viruses also lower’s the respiratory infection.

Coughing is the main symptom

It may produce blood sputum, you may also have fever and wheezing.

Risk factors of respiratory infection

  1. Poor air quality
  2. A weak immune system
  3. Asthma
  4. Smoking

Prevention of respiratory infection

  1. Washing your hands regularly with soap and water to avoid transmitted bacteria, by touching surfaces or any contaminated object.
  2. You can take care of yourself by getting a flu shot every year.
  3. If you have a respiratory infection, try to stay at home to have a good rest.

4. Chronic obstructive pulmonary disease:(COPD). This is a progressive lung disease that makes breathing difficult. Chronic bronchitis and emphysema are types of chronic obstructive pulmonary disease.

Around 2018 about 16.4million, people in the united state are reported to be diagnosed of any of the type of chronic obstructive pulmonary disease (COPD).

Risk factors of chronic obstructive pulmonary disease.

  1. Lung irritants such as chemical fumes.
  2. Family history of alpha_1 antitrypsin deficiency, gene being linked to chronic obstructive pulmonary disease.


  1. Avoid smoking.
  2. If detected early meet your physician.

5. Trachea, lungs cancer: Respiratory cancer include trachea, bronchus, larynx and lungs.

The main causes are smoking, secondhand smoke and environmental toxins. Household pollution such as fuels and mold also contribute.

Asian countries are likely infected

Many Asian countries, especially India, still use coal for cooking. Solid fuel emission causes 17% of lungs cancer in male while 22% are female.

Risk factors of trachea or lungs cancer

  1. Trachea, bronchus and lungs cancer can affect anyone, but mostly affect those that has a history of smoking or tobacco.
  2. Exposure to toxic environment such as diesel fumes.
  3. Family history.

Prevention of trachea or lungs cancer.

Aside from avoiding fumes and tobacco, there is nothing else known to prevent lungs cancer, the best advice is to go to routine lungs scan and early detection for easy treatment.

6. Diabetes mellitus: This disease affect the production or the use of insulin.

In type 1 diabetes, the pancreas is unable to produce insulin, this type of diabetes is believed to be caused by autoimmune reaction.

In type 2 diabetes, the pancreas doesn’t produce enough insulin.

Uncontrolled diabetes

can cause damage to the nerves and blood vessels. This can to lead to complications like impaired  wound healing, kidney failure or blindness.

People in low and middle income

People in such a poor countries are likely to die because of lack of medication and technology needed to manage blood sugar level.

Risks factors of diabetes mellitus.

  1. Overweight or obesity.
  2. High blood pressure
  3. Older age
  4. Unhealthy diet.

Prevention of diabetes mellitus

  1. Diabetes isn’t always preventable, but you can control the severity of symptoms by excercising.
  2. Adding more fibre to your diet can help control blood sugar levels.

7. Alzheimer’s disease: This disease can destroy memories, interfere with decision making and interrupts normal cognitive functions, which include thinking and reasoning.

This disease start off by causing mild memory problems, difficult recalling information and slips in recollection.

Alzheimer’s disease is the most common type of dermentia  and account for 60 to 70% cases.

Risk factors of Alzheimer’s

  1. Being older than 65
  2. Down syndrome
  3. Genetics
  4. Family history of disease
  5. Unhealthy lifestyle

Prevention of Alzheimer’s.

There is no current way to prevent Alzheimer’s

 Alzheimer’s, some people have it while others don’t, but there is a helpful way of preventing it, is by eating enough fruits, vegetables, whole grain, healthy fats and legumes can support brain function.

8. Dehydration due to diarrheal disease: This happen’s when you passes 3 more loose stools in a day. If your diarrhea last more than few days , your body loses water and salt.

Intestinal damages


Diarrhea is usually caused by intestinal virus or bacterial transmitted through contaminated food or water.

Diarrheal is the second leading cause of death in children below, 5 years old. About 525,000 children die from diarrheal every year.

Risks factors of dehydration due to diarrheal

  1. Living in an area with poor sanitary 





















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Amarachi GloriaLast Seen: Nov 16, 2023 @ 7:03pm 19NovUTC

Amarachi Gloria


Published: | Last Updated: | Views: 1

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