The 10 most common and most common diseases

Health is sometimes terribly fragile. The human body is ready to face the most complicated situations, but it is also very vulnerable to external agents and their own biological mechanisms.

In this article we have made
a list of the most common diseases and pathologies that affect a greater number of people.

The most common genetic diseases

Below are the main genetic diseases.

1. Cardiovascular diseases

Cardiovascular disease, those that affect the heart and blood vessels, are, in many cases, silent killers. In fact, these diseases are one of the leading causes of death around the world.

Factors such as high cholesterol or triglycerides over a long period of time can damage our cardiovascular system and cause or trigger such diseases. Bad habits (for example, smoking) and obesity also contribute to the development of these diseases.
Angina or hypertension are some of the conditions that fall into this group.

2. Obesity

Obesity is considered by the World Health Organization (WHO) to be a disease and an epidemic. This condition is associated with many health complications, and scientific data shows that it is on the increase, especially in developed countries. Poor eating habits and a sedentary lifestyle are some of the causes that influence their development; however, there may be other origins, such as: genetic factors.

  • To learn more about this topic, you can read our article: “Types of Obesity: Characteristics and Risks”

3. Diabetes

Diabetes is a high prevalence disease in the worldIn 2015, around 400 million cases were diagnosed worldwide. It is characterized by hyperglycemia (high concentration of sugar in the blood, i.e. glucose) and the resulting problems: cardiovascular, kidney problems, etc. There are different types of diabetes, for example type I diabetes, type II diabetes, gestational diabetes, etc. (You can read more about the types of diabetes by clicking on this link).

  • To find out if you have this disease, in our article “How do I know if I have diabetes? Main symptoms that warn us” you will find very useful information.

4. Cancer

Today, there is a lot of talk about cancer, as one of the most common diseases of our time. According to the Spanish Society of Medical Oncology (SEOM), last year 220,000 new cases were diagnosed in Spain. Scientific data also estimates that this figure will increase in the future.

Cancer is characterized by the abnormal growth of malignant cells in the body. Cancer can be benign or malignant and can occur in different places of the body: lung, colon, prostate, kidney, etc.

  • There are different types of classification for this disease. To learn more, see our article: “Types of cancer: definition, risks and classification”

5. Asthma

This disease can have different degrees and is chronic in type. It occurs in the lungs, when the bronchi become inflamed and make it difficult to breathe. In severe cases it can be fatal, but many people lead normal lives with this disease. The causes of asthma are neither clear nor treated. According to the WHO, it affects 235 million people worldwide.

6. Cavities

Dental caries are very common in the populationSo they are in this list of diseases to be a very common condition. Decay occurs because the tissues of the teeth are damaged by the presence of bacteria and demineralization. Its main cause is poor oral hygiene, although it also appears to be influenced by hereditary factors.


Chronic Obstructive Pulmonary Disease COPD is a respiratory disease that causes progressive damage in the respiratory system, and hinders and decreases the ability to inhale air. It can cause chronic bronchitis or emphysema, and its main cause is smoking. More than 18,000 people die each year in Spain, according to data from the National Institute of Statistics.

8. Flu

We have all, at some point in our lives, suffered from the flu. A disease which, in most cases, no longer poses complications, except for vulnerable people, such as the elderly. Headache, vomiting, fever and malaise are some of the symptoms that appear when the disease manifests itself.

9. Liver disease

There are many diseases of the liver, and they all have different causes.. For example, for viruses, in the case of hepatitis; for drugs or toxins like alcohol, for cirrhosis … Many of these disorders can have serious consequences if not treated properly and can lead to death.

10. Stress

Stress has been dubbed the disease of the 21st century, yet it affects our emotional and mental healthIt has serious consequences on the physical level. Millions of people around the world suffer from stress, which can have many causes. A very common form of stress is what happens at work, including stress at work and burnout.

The latter phenomenon occurs when stress persists over time and causes emotional exhaustion, depersonalization and lack of fulfillment (decreased self-esteem, frustration with expectations, motivation and manifestations of stress at the physiological, cognitive and behavioral).).

  • You can read more about this condition in our article: “Burnout: How to Detect and Act”

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