Before food is even in sight, the brain prepares the body for digestion. The mere thought of food can trigger a release of chemicals in the stomach. The process of digestion then continues in the mouth, proceeding on into the stomach and then ending in the intestines.

Adult acne can be just as embarrassing as teen acne, and the cause of acne at any age is generally the same. Adults can get acne all the way into their 50s and there are different types of adult acne, according to the American Academy of Dermatology. The type of treatment method depends on the type of acne.

The short answer is yes -- your stomach can digest food within hours. Unless you have a condition such as a nervous disorder or complications from stomach surgery, then food tends to move through the stomach in around two hours.

At first glance, there may seem to be no connection between thyroid disease and lactose intolerance. Thyroid disease is an immune system disorder; the body mistakenly recognizes a gland or tissue such as the thyroid as an “enemy” and attacks, either destroying the gland or causing it to malfunction.

Apple cider vinegar has long been touted as a natural remedy for digestive issues. Despite an abundance of anecdotal and historical evidence, no formal research has actually been conducted to evaluate its effectiveness in treating constipation. Therefore, no conclusive dosage can be recommended.

The proteins casein and gluten are two of the top allergens found in the American diet, the former being found in dairy products and the latter in many grains. Some digestive enzyme supplements containing the enzyme DPP-IV, or dipeptidyl peptidase-4, can facilitate the breakdown of these offending proteins.

Malabsorption is the medical term for not digesting and absorbing your food properly. Many types of medical conditions can lead to malabsorption, which typically comes to light when you experience signs and symptoms. Your digestive system is the primary site for many of the signs and symptoms of malabsorption.

Nighttime acid reflux can bring on symptoms of coughing, snoring and burning pain that can disrupt sleep and have a strong negative impact on quality of life.

The process of digestion begins in your mouth. The salivary glands start to function as soon as you take the first bite of food. There are three large salivary glands and numerous smaller ones located in your mouth and throat. The larger salivary glands occur in pairs and are located on either side of your mouth.

If you’ve been diagnosed with lactose intolerance, you can still enjoy pizza, although it contains lactose from the cheese. Cheeses tend to have less lactose than other dairy products because of the enzymes used to create cheese.

Pineapple is a tropical fruit grown in warm climates and has a flavor that is both sweet and tart. Enjoying a serving of pineapple helps improve digestion by providing fiber and a certain type of digestive enzyme.

Your digestive system runs on a delicate balance, processing nutrients out of the foods you eat and making stool that is neither too hard nor too soft so you do not get constipation or diarrhea.