Fasting: What You Need to Know
Ever considered fasting? Our doctors talk about the benefits and science behind intermittent fasting.
How to Prevent Food Poisoning
Our experts offer advice on how to steer clear of foodborne illnesses.
What Causes Stomach Ulcers?
If you believe stress and spicy foods cause stomach ulcers, think again.
Featured Articles

How to Reduce Gas and a Bloated Belly
Learn the most common reasons for that sudden belly expansion, and how a few lifestyle adjustments can help.

Women: What to Know About Your Digestive Tract
For reasons both physical and hormonal, women’s digestive systems function differently from men’s. Learn what that means for your body.

Soothing Heartburn
Heartburn (acid reflux) happens when stomach juices splash up into your esophagus. Find out why you shouldn’t ignore it.
Ask an Expert
Robert Osterhoff, M.D.
Mills-Peninsula Physician HMO Network
I've been on a gluten-free diet for a year. Does that mean that the "fingers" in my small intestine are back to normal? I still have problems with eating too much fiber at one time, causing looser and somewhat urgent bowel movements the next morning.
For patients who have a diagnosis of celiac disease, the small intestine will typically heal once exposure to gluten is eliminated. This means that the "fingers" of the intestine, which are known as villi,... continue reading about I've been on a gluten-free diet for a year. Does that mean that the "fingers" in my small intestine are back to normal? I still have problems with eating too much fiber at one time, causing looser and somewhat urgent bowel movements the next morning.
Katerina P. Shetler, M.D.
Palo Alto Foundation Medical Group
I have diverticulitis and a few months ago had a serious attack. I was treated with 14 days of antibiotics and I'm okay now. I had a colonoscopy and the report said "severe diverticulitis of entire colon." Is there any way to get rid of these "pockets”?
I'm sorry to hear about your issues with diverticulitis.Diverticulosis is a very common problem. Diverticula form at points of weakness within the colon wall. Once you developed diverticula, they are unlikely t... continue reading about I have diverticulitis and a few months ago had a serious attack. I was treated with 14 days of antibiotics and I'm okay now. I had a colonoscopy and the report said "severe diverticulitis of entire colon." Is there any way to get rid of these "pockets”?
Ask the Expert Team
Sutter Health
My boyfriend (44) is constipated. He has taken three or four different kinds of laxatives but they don't seem to be helping him. What will help him?
Constipation means difficult and less frequent bowel movements. The stool becomes hard, dry and sometimes painful to pass. At one time or another, almost everyone gets constipated. In most cases, it lasts a sho... continue reading about My boyfriend (44) is constipated. He has taken three or four different kinds of laxatives but they don't seem to be helping him. What will help him?
Caroline Schreiber, M.D.
Alta Bates Summit Medical Center - Alta Bates Campus
What does gallbladder pain feel like? How do I know if I need medical attention?
The gallbladder is a sack about the size of a fig that is attached to the underside of the liver. Its function is to store bile, which is a substance made in the liver that is necessary to digest fat. When you ... continue reading about What does gallbladder pain feel like? How do I know if I need medical attention?
Katerina P. Shetler, M.D.
Palo Alto Foundation Medical Group
Is the presence of lactose intolerance and/or irritable bowel syndrome typically associated with someone who may also be sensitive to gluten?
Thank you for this very interesting question. Patients with irritable bowel syndrome suffer from abdominal pain, abdominal bloating, loose bowel movements or constipation. Patients with lactose intolerance and ... continue reading about Is the presence of lactose intolerance and/or irritable bowel syndrome typically associated with someone who may also be sensitive to gluten?
Deborah Kurzrock, R.D.
Mills-Peninsula Medical Center
How can I get enough calcium when I am lactose intolerant?
It is possible to get enough calcium in your diet without milk products, although it is more difficult. For absorption, calcium relies on other vitamins and minerals, so it is important to eat a balanced nutrit... continue reading about How can I get enough calcium when I am lactose intolerant?
Caroline Schreiber, M.D.
Alta Bates Summit Medical Center - Alta Bates Campus
I'm a senior citizen in good health. I stopped taking estrogen two months ago. Within 10 days I started having soft, gray colored stools and gas. A recent colonoscopy test was normal. I don't eat dairy products. Could stopping estrogen be the cause?
Estrogen, or the withdrawal of estrogen, is not known to change stool or bowel habits as described. That said, I think of estrogen as all-powerful. Anything is possible. One way to know would be to go back on e... continue reading about I'm a senior citizen in good health. I stopped taking estrogen two months ago. Within 10 days I started having soft, gray colored stools and gas. A recent colonoscopy test was normal. I don't eat dairy products. Could stopping estrogen be the cause?
Deborah Kurzrock, R.D.
Mills-Peninsula Medical Center
I have bleeding stomach ulcers. What foods do I need to avoid? What foods are beneficial?
It is a myth that spicy foods or a stressful job can cause peptic ulcers. Doctors now know that a bacterial infection or some medications - not stress or diet - cause most peptic ulcers.Your doctor will help in... continue reading about I have bleeding stomach ulcers. What foods do I need to avoid? What foods are beneficial?
Ask the Expert Team
Sutter Health
I don't like and can't tolerate milk and dairy products. How can I add calcium to my diet during pregnancy?
From 1,200-1,500 mg of calcium is recommended every day during pregnancy. If you are lactose intolerant, you will need to look for other good sources of calcium, such as legumes (starchy beans), dark green vege... continue reading about I don't like and can't tolerate milk and dairy products. How can I add calcium to my diet during pregnancy?
More Resources

Healthwise Medical Library
Look up helpful health information.

Patient Information
Practical info for Sutter patients.

Tools and Quizzes
Online tools to help you make decisions about your health.