Digestive health: more than just a good digestion

Before we dive into the topic, what do we really mean by digestive health? We talk about heavy digestions, swelling, constipation, reflux or certain foods that “don’t makes us feel good”. But the Digestive System is much more than that. Much more. 

It is a system that absorbs nutrients during digestion, but it is related tightly to microbiota, the immune system and other processes which have a big impact on our health. But the symptoms are not everything. 

Looking after our digestive health goes beyond avoiding general discomfort. It means to comprehend which factors might be altering the balance of the digestive system and choose the correct approach when the disease appears. 

The World Gastroenterology Organisation highlights the complex interactions between diet, the gastrointestinal tract and the microbiota. It also explains that dietary fibre influences the intestinal environment and the production of short-chain fatty acids. However, we should avoid oversimplifying the issue by claiming that “the microbiota explains everything”. There is still a long way to go before we fully understand how changes in the microbiota affect the development of diseases.

An association does not always imply causation, but these findings are opening up new lines of research into biomarkers and precision medicine that an increasing number of gastroenterology specialists need to be familiar with.

There is a misconception we need to move away from: eating well does not guarantee that we will never develop digestive diseases.

A balanced diet and healthy lifestyle habits are undoubtedly important for everyone’s digestive health. However, they cannot, on their own, prevent or explain all digestive diseases.

Take Crohn’s disease, for example. This inflammatory bowel disease causes inflammation and irritation in the tissues of the digestive tract. It can lead to abdominal pain, severe diarrhoea, fatigue, weight loss and even malnutrition.

Several factors are involved, including:

• Genetic predisposition.

• The immune system.

• The microbiota.

• Environmental factors.

• Diet.

• Smoking, among others.

Diet clearly plays an important role in Crohn’s disease, but it is only one part of a much more complex process.

Gastroenterologists and hepatologists around the world continue to closely monitor advances in research into these digestive diseases, both in their early and advanced stages. In fact, a growing number of studies are investigating whether disease duration influences treatment efficacy.

We sometimes forget that the digestive system extends far beyond the stomach and intestines. The liver, pancreas, bile ducts and other organs are part of a complex system in which diagnostic and therapeutic decisions increasingly require specialised knowledge.

Hepatitis D is a good example of how research is opening up new therapeutic possibilities. The investigation of new therapeutic targets, such as the hepatitis B virus surface antigen, is expanding the possibilities for treating this chronic condition.

Another example is metabolic dysfunction-associated steatotic liver disease (MASLD), which affects approximately 30% of the population and is one of the leading causes of liver-related morbidity and mortality worldwide. The available data highlight the importance of individualised treatment, and some clinical studies now allow patients to be included based solely on non-invasive diagnostic assessments.

The same symptom can have very different causes. Bloating, abdominal pain, changes in bowel habits, nausea and acid reflux are just a few examples.

This brings us to another key factor: the importance of taking a thorough medical history, carrying out a comprehensive examination, using diagnostic tests, performing endoscopies when indicated, assessing biomarkers and interpreting the available evidence.

However, specialists do not focus solely on diagnosing a disease. They also aim to gain a better understanding of each individual patient and determine which strategy is most beneficial for their specific circumstances. This is where the concept of precision medicine comes into play.

The immune system must maintain a delicate balance. When this balance is disrupted, a protective immune response can become pathological. This makes a comprehensive, cross-disciplinary understanding of inflammatory processes essential.

An increasing number of advanced machine-learning techniques are being used to systematically analyse complex immunological processes. These approaches can enable minimally invasive monitoring of disease activity, improve diagnostic accuracy and support the development of targeted therapies.

New biomarkers.
New therapeutic targets.
New evidence on clinical procedures.
A deeper understanding of the interaction between the microbiota and the immune system.

Gastroenterology and hepatology are constantly advancing. Staying up to date involves more than simply reading the latest studies and publications. It means understanding how new evidence can change everyday clinical practice.

This is the aim of the Gastroenterology and Hepatology Update Programme: to provide a rigorous, practical and evidence-based update for healthcare professionals committed to clinical excellence.

The programme offers more than 17 hours of learning, divided into five modules:

1. From the oesophagus to the small intestine.

2. From the colon to the rectum.

3. The pancreas.

4. The liver and biliary tract.

5. Translational Science Corner.

The programme is led and coordinated by two renowned specialists:

The course features expert-developed content, advances in diagnosis and treatment, a comprehensive approach to patient care, interactive resources and educational materials designed to support the application of knowledge in everyday clinical practice.

The programme is also accredited by the Spanish National Health System, with 2.6 continuing medical education credits.

By completing the course, you will be able to summarise the latest advances in research and the development of knowledge concerning diseases of the digestive system and its constituent organs. This will help you improve your knowledge of diagnosis and the monitoring of conventional treatments, while exploring potential future treatment options. You will also update your knowledge of comorbidities and special clinical situations.