When we think of the deadliest diseases in the world, our mind probably jumps to the fast-acting, incurable ones. But the true fact is that, many of these types of diseases don’t rank in the top 10 causes of worldwide deaths. An estimate of 56.4 million people Trusted Source passed away worldwide in 2015 and 68 percent of them were due to diseases that progressed slowly. So, the top 10 diseases causing deaths worldwide, according to the World Health Organization (WHO) are:
Ischemic heart disease or coronary artery disease
The deadliest disease in the world is coronary artery disease, which is commonly known as ischemic heart disease. It occurs when the blood vessels that supply blood to the heart become narrowed. If this disease is left untreated it can lead to chest pain, heart failure, and arrhythmias.
Impact of Coronary artery disease across the world
This disease is still the leading cause of death, mortality rates have declined in many European countries and in the United States. This decrease is due to better public health education, access to healthcare, and forms of prevention. However, in many developing nations, mortality rates of CAD is rising day by day. It's estimated that every 40 seconds someone dies in U.S.A due to this diseases.
Risk factors of CAD includes :
High blood pressure
High cholesterol
Smoking
Someone having in family
Diabetes
Overweigh
Prevention
Exercising regularly and stay fit
Maintaining yourself and a healthy weight
Eating well balanced diet that’s low in sodium and high in fruits and vegetables
Avoiding smoking and stay away from pollution
Drinking only in moderation
so, around 15.5% deaths worldwide are due to this diseases.
Stroke
It occurs when an artery in your brain is blocked. This causes the oxygen-deprived brain cells to begin dying within minutes which can cause death sometimes. During a stroke, you feel sudden confusion or have trouble walking and seeing. If left untreated it can cause long-term disability. People who receive treatment within 3 hours are less likely to have disabilities.
Risk factors of stroke
High blood pressure
Family history
Smoking, especially when combined with oral contraceptives
If you are African-American
Being female
Prevention
Controlling high blood pressure
Maintain a healthy lifestyle
Regular exercise
Healthy diet
Avoid smoking
Around 11.1% people die due to stokes worldwide
Lower respiratory infections
A lower respiratory infection is an infection in your lungs. It can be due to influenza or the flu, pneumonia, bronchitis, tuberculosis and some viruses. The main symptom of a lower respiratory infection is Coughing. If it is left Untreated lower respiratory infections can lead to breathing failure and death.
Risk factors
Flu
Air pollution or poor air quality
Smoking
Weak immune system
HIV
Asthma
Prevention
Get the flu shot every year
People having pneumonia can get a vaccine
Wash your hands soap and water to avoid bacteria
Stay at home and rest
5.7% people died worldwide due to this diseases
Chronic obstructive pulmonary disease(COPD)
It is also a lungs disease that lasts for a long-term that makes breathing difficult. There are two types of COPD, which are Chronic bronchitis and emphysema.
Risk factors
Smoking or second hand smoke
Lung irritants like chemical fumes
Someone in family with the AATD gene being linked to COPD
Prevention
There’s no cure for COPD but can slowed by medication
stop smoking
Avoid secondhand smoke
5.6% people died worldwide due to this diseases
Trachea, bronchus, and lung cancers
Cancers of the trachea, larynx, bronchus, and lungs are all Respiratory cancers. The main causes are smoking and environmental toxins/ Pollution.
Impact of respiratory cancers around the world
Reports justify that respiratory cancer accounts for about 4 million deaths annually. In developing countries, 81- to 100-percent increase in respiratory cancers due to pollution and smoking. Many Asian countries, especially India, still use coal and wood for cooking. Solid fuel emissions effects 17 percent of lung cancer deaths in men and 22 percent in women.
Risk factors
Smoking or tobacco use
Diesel fumes
Pollution
Prevention
Stop smoking and avoid use of tobacco.
3% people died worldwide due to this diseases
Diabetes mellitus
Diabetes is a diseases that affect insulin production and use. There are two types of diabetes. In type 1 diabetes, the pancreas can’t produce insulin and cause isn’t known. In type 2 diabetes, the pancreas doesn’t produce enough insuline and that insuline cantbe used effectively and the cause of Type 2 diabetes is known which includes poor diet, lack of exercise, and overweight.
Impact of diabetes around the world
People in low- to middle-income countries or you can say poor or developing countries are more likely to die of complications from diabetes.
Risk factors
Over weight
High blood pressure(BP)
Older age
Not exercising regularly
An unhealthy diet
Prevention
Diabetes isn’t always preventable, you can control
Exercising regularly
Good nutrition
Adding more fiber to your diet
2.8% people died worldwide due to this diseases
Alzheimer’s disease and other dementias
When you think of Alzheimer’s disease, you might think of a loss of memory, but you might not think of a loss of life. It affects our brain and makes it weak and we lose our power of thinking, reasoning, and typical behavior. The common type of dementia is Alzheimer’s disease. This disease starts off by causing mild memory problems, difficulty recalling information, and slips in recollection. With time, however, the disease progresses and you may not have memory of large periods of time.
Risk factors
Being older
Inheriting genes for the disease
Down syndrome
unhealthy lifestyle
Having head trauma earlier
Prevention
No currently way to prevent Alzheimer but can be slowed down
Healthy diet, eat fruits and vegetables
Intake low saturated fats food
Lean fish
2.7% people died worldwide due to this diseases
Dehydration due to diarrheal diseases
Diarrhea is also called loose motions i.e when you pass three or more loose stools in a day. Diarrhea causes dehydration, which can lead to death and dehydration is caused when body looses salt and water. It is usually caused by an intestinal virus or bacteria transmitted through contaminated water or food. More in developing nations with poor sanitary conditions.
Impact of diarrheal diseases around the world
It is the second top cause of death in children younger than 5 years. Around 760,000 children die from diarrheal diseases each year.
Risk factors
Poor sanitary
Dirty water
Malnourishment
Weak immune system
Digestion problem
Prevention
Good hygiene
Good handwash
Healthy diet
Water quality
2.5% people died worldwide due to this diseases
Tuberculosis(TB)
TB is a lung condition caused called Mycobacterium tuberculosis. We can have TB in spine , brain and lungs . It’s a treatable diseases. The cases of TB have fallen in last Ten years. The goal is to end TB by 2030
Risk factors
Diabetes
HIV
Lower body weight
Prevention
Get Bacillus Calmette-Guerin (BCG) vaccine.
Start with medicine i.e Chemoprophylaxi
2.4% people died worldwide due to this diseases
Cirrhosis
Cirrhosis is a liver diseases, it is a long term scarring and damage to liver.The damage may be due to kidney diseases or it can be caused by conditions like hepatitis and chronic alcoholism.
Risk factors
Drinking excess of Alcohol
Fat accumulation around liver
Chronic viral hepatitis
Prevention
Avoid alcohol
Eat fruits and green vegetables
Eat food with low sugar and fat
2.1% people died worldwide due to this diseases
So, these are top 10 Deadliest Diseases in world which many of you may not be aware of.
