It is to determine why the body is behaving differently.

Chapter 3: Digestive Changes That Keep Coming Back

The digestive system naturally changes from day to day.

A different meal can cause bloating. Stress can alter bowel movements. Travel can disrupt digestion. Temporary constipation or diarrhea is common.

The concern begins when a digestive pattern becomes persistent or significantly different from normal.

4. A persistent change in bowel habits

A new and lasting change in bowel habits can include constipation, diarrhea, unusually narrow stools, increased frequency, or alternating constipation and diarrhea.

Many non-cancerous conditions can cause these changes.

Irritable bowel syndrome, infections, dietary changes, inflammatory bowel disease, medications, and food intolerances are examples.

However, persistent bowel changes—particularly when combined with blood in the stool, unexplained weight loss, anemia, or ongoing abdominal pain—should be medically evaluated.

Colorectal cancer can sometimes cause changes in bowel habits, which is one reason screening becomes increasingly important with age.

The exact age at which screening begins depends on current guidelines and individual risk factors, so people should discuss appropriate screening with their healthcare professional.

5. Repeated abdominal discomfort or persistent bloating

Occasional bloating after a large meal is usually not unusual.

Persistent abdominal swelling or discomfort is different.

Ongoing bloating may be related to constipation, food intolerance, reflux, functional gastrointestinal disorders, or other digestive problems.

In some cases, persistent abdominal symptoms can occur with cancers involving the digestive or reproductive organs.

For women, persistent bloating combined with pelvic discomfort, early fullness, or changes in urinary habits may warrant medical evaluation because ovarian conditions—including ovarian cancer—can sometimes produce vague digestive-type symptoms.

Again, these symptoms are far more commonly caused by non-cancerous conditions.

The important factor is persistence and unexplained progression.

6. Blood where it shouldn't be

Blood in the stool or urine should not simply be dismissed as something that happens with age.

Blood in the stool can result from hemorrhoids, anal fissures, inflammatory bowel disease, polyps, or colorectal cancer.

Blood in the urine can occur with urinary tract infections, kidney stones, prostate conditions, medications, or urinary tract cancers.

The color and amount of blood can vary, and sometimes blood is only detected through laboratory testing.

If you repeatedly notice blood in your urine or stool, particularly without an obvious explanation, medical assessment is appropriate.

The same principle applies to unusual bleeding elsewhere in the body.

A symptom does not need to be dramatic to deserve attention.