Ashby (1960, section 11/5) offers three simple strategies for dealing with the same basic exercise-problem; and they have very different efficiencies: Suppose there are 1000 on/off switches which have to be set to a particular combination by random-based testing, each test to take one second.
Digestive Health. Subscribe to our Digestive Health e-newsletter to stay up to date on digestive health topics. Crohn's disease is an inflammatory bowel disease (IBD). It causes inflammation of the lining of your digestive tract, which can lead to abdominal pain, severe diarrhea, fatigue, weight loss and malnutrition. Inflammation caused by Crohn's disease can involve different areas of the digestive tract in different people.
Crohn's (or Crohn) disease is a disease that usually affects the small intestine and less commonly the colon, but it is capable of involving the remainder of the gastrointestinal tract-the mouth, esophagus, and stomach.he chronic inflammation that is the basis of Crohn's disease causes ulceration, swelling, and scarring of the parts of the intestine that it involves. Other names for Crohn's disease include granulomatous enteritis, regional enteritis, ileitis, and granulomatous colitis when it involves the colon.