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.
Many things can bring on nausea. Some common causes are seasickness and other motion sicknesses, early pregnancy, intense pain, exposure to chemical toxins, emotional stress (fear), worry (anxiety), gallbladder disease, food poisoning, indigestion, various viruses, and certain smells or odors.