A hernia occurs when an organ or fatty tissue squeezes through a weak spot in a surrounding muscle or connective tissue called fascia. The most common types of hernia are inguinal (inner groin), incisional (resulting from an incision), femoral (outer groin), umbilical (belly button), and hiatal (upper stomach).

What Causes Hernias?
Ultimately, all hernias are caused by a combination of pressure and an opening or weakness of muscle or fascia; the pressure pushes an organ or tissue through the opening or weak spot. Sometimes the muscle weakness is present at birth; more often, it occurs later in life.

Anything that causes an increase in pressure in the abdomen can cause a hernia, including:

  • Lifting heavy objects without stabilizing the abdominal muscles
  • Diarrhea or constipation
  • Persistent coughing or sneezing

In addition, obesity, poor nutrition, and smoking, can all weaken muscles and make hernias more likely.

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