How long do tankless water heaters last? Tankless water heaters typically last 15 to 20 years, compared to 10 years or less for a tank-type water heater.If there are very hard water conditions, water treatment will be important in maintaining the life of the water heater.ow long do tankless water heaters last? Tankless water heaters typically last 15 to 20 years, compared to 10 years or less for a tank-type water heater.
Inflammatory Bowel Disease (IBD) is a broad term that describes conditions with chronic or recurring immune response and inflammation of the gastrointestinal tract. The two most common inflammatory bowel diseases are ulcerative colitis and Crohnâs disease.
Of all the terms for IBD, this one drives me !! I have seen this definition online at ehow.com: Inflammatory bowel disease (IBD) is a broad term under which fall conditions that cause the tissues of the intestines to become inflamed and swollen. Two conditions associated with IBD are Crohns disease and ulcerative colitis (UC).