Question: What Is a Controlled Experiment? One of the most common types of experiment is a controlled experiment. Here is a look at what a controlled experiment is and why this type of experiment is so popular in science. Answer: A controlled experiment is one in which everything is held constant except for one variable.
Symptoms of inflammatory bowel disease (IBD), including ulcerative colitis and Crohnâs disease, primarily affect the digestive tract and include appetite loss, diarrhea, weight loss, rectal bleeding, nausea, and abdominal cramping.
Causes of Nausea. Nausea may be the No. 1 culprit of an upset stomach. Being nauseous is uncomfortable and often stops a person in their tracks. It can seem like the queasy feeling will never go away. However, what causes nausea can sometimes be hard to pinpoint. Nausea is commonly caused by: Stomach flu. Migraine. Rotavirus.