Stomach cramps are one of the most unpleasant, uncomfortable problems associated with running. During a run, cramps or stitches can seriously hamper your performance. If the cramping continues hours after running, however, it can lead to more serious problems.

How acid or how alkaline your digestive system is can affect how well your food is digested. This is measured using the pH scale, with lower numbers indicating an acid environment and higher numbers indicating an alkaline environment.

Ulcers, sores on the lining of the stomach, esophagus and intestines, can be caused by a bacterial infection or anti-inflammatory medicines such as aspirin, ibuprofen, naproxen and ketoprofen. Stomach acids and other stomach juices can burn the lining of the digestive tract, further irritating the ulcers.

You are probably familiar with the gassy, abdominal pain referred to as bloating. You may even know that acid reflux is a result of some of the acidic contents of the stomach leaking back up into the esophagus, where it burns or irritates the lining.

There are a wide range of causes that can give rise to an upset stomach, and unfortunately, candy is one of them. Candy contains ingredients that can cause your body to produce more gas. It can also contribute to stomach aches simply because it is so often easy to overeat the sweet treats.

Problems within the digestive system, including diarrhea and sour stomach, affect 95 million Americans every year, according to the Johns Hopkins website. Diarrhea refers to frequent watery bowel movements, typically caused by food or illness, which may or may not be accompanied by a sour stomach.

Gas stoves allow for precise heat control while cooking. In some areas of the country, gas appliances are more economical to operate. Take precautions to operate a gas stove safely. Improper operation could lead to fires, burns or carbon monoxide poisoning.

Pork is a healthy source of protein, iron and zinc, but must be cooked properly to avoid illness.

Children with diarrhea may be at risk for dehydration, a dangerous condition resulting from fluid loss. Diarrhea can be caused by bacterial infections, parasites and other conditions, but it is most commonly caused by viral infections.

If you're experiencing side pain after exercise, rest assured it's quite common, although it can have many different causes, such as a side stitch or delayed-onset muscle soreness. You might also be suffering from gastrointestinal symptoms brought on by your exercise.

If you have been moving your fingers repetitively, it is normal to feel some pain when you stretch your hands, but if the pain is severe and happens frequently, consult a health care professional.

It’s alarming when you become short of breath but it can be especially frightening if it’s accompanied by shoulder pain. The most common condition thought of with these symptoms is a heart attack, but if the symptoms only develop after eating it can be a sign of a digestive-related condition.