Some of the leading causes of death in the world may change from other lists, as everything may vary with the location examined, the year, or the parameters used. Therefore, we chose data from the WHO (World Health Organization), a UN body, as it will bring more global data.
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Leading causes of death in the world
10. Kidney diseases
According to the UN body, mortality from kidney diseases went from 813,000 in 2000 to 1.3 million in 2019. It went from being the 13th cause of death to entering the organization’s Top 10 during this period. One of the factors that caused the increase in diseases of the important organ was climate change. There are also other reasons, such as the increase in obesity and the consumption of food and liquids that are not good for the human body.
9. Diabetes Mellitus
The disease was also not present on the previous WHO list. However, between 2000 and 2019, there was a 70% increase in diabetes mellitus cases. Metabolic syndrome prevents the human body from producing insulin. The increase in the incidence of the disease, which in 2020 afflicted almost 10% of the world’s population, is mainly due to obesity. Brazil is the 5th country in incidence of diabetes in the world.
Yes, diarrhea kills, and is among the leading causes of death in the world. Simpler diarrhea is common, depending on the food or water we drink. But in some cases, sanitation is so bad that diarrhea becomes very serious and can easily lead to death. As access to clean water has expanded, fortunately, deaths from diarrhea have declined from 2.6 million in 2000 to 1.5 million in 2019. But there are still many barriers, especially in sub-Saharan Africa.
7. Dementia Diseases
Globally, 65% of people affected by dementia diseases such as Alzheimer’s are women. In 2019, 50 million people were living with dementia in the world, and projections indicate that by 2050 this figure could triple. Also in 2019, the incidence of death from the disease was almost 2 million people.
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6. Cancer of the lung, trachea and bronchi
In 2019, 1.8 million people died from lung, trachea and bronchial cancers. It is the second most common malignant tumor in men and the fourth in women. According to the Oswaldo Cruz Oncology Center, 90% of cases of this type of cancer are associated with tobacco use. Growing air pollution also plays a role.
5. Neonatal conditions
Postpartum deaths still have a very high incidence, but fortunately they are on a sharp decline. In 2019, there were 2 million deaths from the condition – 1.2 million fewer than in 2000. The causes of death range from premature births, to asphyxia and a very low birth weight of the baby. The more precarious the regional health situation, the greater the probability of neonatal deaths.
4. Respiratory infections
Deaths from respiratory infections (flu, pneumonia, pharyngitis, acute bronchitis, etc.) fell timidly between 2000 and 2019. But together they remained the deadliest group of communicable diseases in the world. If we talk about post-2019 parameters, mortality has also increased, as covid-19 is a respiratory infection. In August 2022, deaths from covid-19, since the beginning of the pandemic, approach 6.5 million, and the daily average of deaths in the world increases considerably after the month of June.
3. COPD (Chronic Obstructive Pulmonary Disease)
With 3.2 million COPD deaths in 2019 worldwide, the disease has seen a slight increase in mortality since the beginning of the 21st century. The disease obstructs the airways and the main risk factor is smoking.
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Deaths from stroke have soared, and the disease killed more than 6 million people in 2019. The disease occurs when blood vessels that supply blood to the brain rupture. Smoking, obesity, sedentary lifestyle, hypertension and diabetes are some of the risk factors for stroke.
1. Cardiac ischemia or coronary artery disease
The disease was responsible for 16% of all deaths worldwide in 2019. The disease killed 8.9 million people in 2019 – 2 million more than it killed in 2000. The disease occurs when there is an obstruction in the coronary circulation, decreasing blood flow to the organ and, consequently, a decrease in oxygenation. The main risk factors are the same as for stroke, so the best prevention is a healthy life.
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