The deadliest diseases of the world

It is a blessing to lead a healthy and disease free life .However you can prevent serious diseases by adopting a disciplined lifestyle and getting knowledge through various awareness programmes and health education drives. It is best to strive for prevention since most of these diseases cannot be completely cured and you have to tolerate the side effects.

Few deadliest diseases which alter life patterns;

  • Ischemic Heart Disease
  • Stroke
  • Respiratory infections
  • Pulmonary disease
  • Respiratory cancers
  • Diabetes
  • Alzheimer’s disease.

Ischemic Heart Disease

Commonly known as coronary heart disease it strikes suddenly as the blood vessels become thin and constricted.

Risk factors

  • High blood pressure,
  • Diabetes
  • Smoking
  • High cholesterol levels.


  • Eat a healthy diet
  • Consume foods which are low in sodium and fat
  • Eat fresh fruits and vegetables.
  • Exercise regularly
  • Quit smoking
  • Regular check ups


This is a serious disease as it occurs instantly without any major symptom or warning. Stroke strikes when the artery in the brain gets blocked or when it starts leaking. Thus the brain is deprived of oxygen and death may occur within minutes. If the patient feels numbness and is not able to see or eat or walk properly then, it is important to rush him to the hospital instantly otherwise permanent disability might set. A typical stroke symptom is the onset of sudden numbness on one side of the body

Risk factors

  • Hereditary,
  • High blood pressure,
  • Smoking

Preventive measures

  • Awareness
  • Controlling the blood pressure
  • Regular Exercise
  • A balanced  diet
  • Diet with low sodium level

Lower Respiratory Infections

It is imperative to take respiratory infections such as influenza, pneumonia, tuberculosis seriously and treatments should not be postponed.  Symptoms include Continuous coughing and  it is important to treat it scientifically and not  opt for alternative medicines.

  Risk factors

  • Poor air quality,
  • Flu,
  • Smoking
  • A weak immune system

Preventive measures

  • Maintain personal hygiene
  • Take adequate rest

Pulmonary Disease

This disease makes breathing very arduous and difficult. It progresses rapidly, affects the lung and persists for a long period and has no cure. However, it can be controlled only with a systematic approach  and long term treatment.

Risk factors

  • Hereditary factors,
  • Smoking
  • Other lung irritants.


  • Avoid smoking
  • Avoid lung irritants.

Respiratory Cancers

These serious cancers affect the lungs, trachea and larynx.

Risk factor

  • Smoking
  • Family history
  • allergic to diesel fumes.

Preventive measures

  • Quit smoking
  • Quit using other tobacco products
  • Avoid being exposed to pollutants
  • Early detection
  • Lead an active and healthy lifestyle

Alzheimer’s disease

Being the seventh deadliest disease of the world it has no cure and  it is not possible to limit progression. Elderly people especially females are mostly affected.


  • Heart-healthy diet
  • Active social life.


This ailment occurs due to lack of insulin or failure of the body to use the available insulin.

Risk factors

  • Family history,
  • sedentary lifestyle,
  • obesity


  • Lead an active life
  • Consume fiber-rich diet.
  • Lower the carbohydrate content of your diet
  • Consume less processed foods.

So for most of these deadliest diseases of the world, a good diet and regular exercise are an elixir and plays a crucial role in preventing them.