My IBS is now long gone. I suffered with IBS-D for around 10 years but it is all fine now - and I sorted it out myself.After having to deal with digestive issues and frequent and often immediate trips to the toilet several times a day for several years, eventually my digestion completely collapsed.It was pretty horrendous at the time. Awful, awful pain every time I ate anything, then floaty stools followed by running diarrhea. I could hardly eat anything without reacting.When what few tests were done by the medical profession failed to find anything wrong (???), left to my own devices, through research I discovered a link between the stools and gluten intolerance.Immediately, I dumped gluten (and dairy because I knew I was intolerant to that) and within 6 hours the diarrhea had stopped and the pain had gone.Although I still couldn't eat very much because my digestion was in such a mess, gradually I have been able to rebuild it. Within two months I started following the Specific Carbohydrate Diet (SCD) because carbs were still such an issue for me and that has been very beneficial.I have recently realised why. I believe that diarrhea is actually an extension of constipation, not the opposite of it. I have realised that most of my health issues over the years have been due to extreme dehydration.The diet helped because it removed all the foods that are particularly dehydrating to the body and need lots of water for digestion, such as grains, starches sugar and most dairy. Not only that, because it focuses on good wholesome natural foods and particularly fruit and vegetables, it was supplying foods with a higher water content.I have learned through my research that as well as much of the food in our Western diet being dehydrating, much of the drink is too. Sugar, or anything that turns to sugar in the body needs plenty of water for digestion (not only that but it doesn't add anything of any nutritional value either!). Fruit juices, unless extremely diluted, squashes, diet drinks, soft drinks and alcohol are also dehydrating. Tea and coffee are diuretic substances.So if we are eating foods that are dehydrating, and drinking drinks that are dehydrating then it is quite feasible that we are gradually eroding into our hydration 'bank'. We have all had those really sweet sickly drinks that leave you feeling thirstier than before you drank them? They have drawn more fluid out of the body than they have given us!The body is made up of something like 75% water. It is used for virtually every function in the body in some form. If the body is never quite getting enough then eventually it is going to impact in various ways. Gradually the thirst response becomes dulled - many people seem to interpret thirst as hunger and eat instead - but it is just the body asking for the fluids from fruit and vegetables!I actually mentioned to my husband about a year ago that every time I drank water it left me feeling thirstier. Of course it did! My body was crying out for water!The colour of urine may indicate an immediate dehydration issue, but it doesn't reflect long-term underlying dehydration. That impacts in other ways. Dehydrated joints contribute to arthritis, dehydration in the brain can contribute to headaches, migraines, brain-fog, mood swings and disturbances and possibly even Alzheimer's (where the brain is actually shrinking!). Dehydration at cellular level may contribute to many of our so-called 'auto-immune' diseases, when processes cease due to a lack of water to carry minerals and trace elements to the cells. People have been able to reverse certain A-I diseases simply by rehydrating. Even fatigue can be driven by dehydration.The digestion needs a lot of water. The body makes its stomach acid from water. The bicarbonates that are produced by the pancreas are made from water. The gut needs water to get the food through to the other end! Not only that, but these days people are often 'grazing' all day on food, so the poor stomach is churning out gallons of acid, and the pancreas gallons of bicarbonates to digest it all!Where does it get it from? What we drink and some of the food we eat.My theory is that where constipation is a chronic shortage of water as the food passes through the gut, diarrhea is such an acute shortage that it actually impacts to the point that the stomach can no longer digest certain foods, particularly carbohydrates. Therefore, it uses what available water it does get to get the undigested food through the gut and out the other end as quickly as possible. Those who suffer with IBS-D are quite used to seeing undigested food floating in the toilet bowl!After dumping the gluten and most carbs and the D stopped, I then gradually developed constipation. I couldn't figure out why. When I discovered the dehydration link the penny dropped.I have been gradually rehydrating now for three weeks and my digestion and elimination has never been better! It also seems to be benefitting my diabetes too with my night and morning levels in normal range (4.3-4.5). Between the rehydration and the low carb diet I have also been able to reduce my insulin and Metformin by two-thirds and I no longer need blood-pressure tablets (many of those are diuretic too and may actually be making things worse!). My high BP was due to dehydration!It's wonderful.Sounds weird, but I'm glad my digestion collapsed. It has been a long and quite stressful journey and a steep learning curve, but I can now see the light at the end of the tunnel.Although his concepts were viewed with suspicion by the 'Establishment', Dr Batmanghelidj, a medical Doctor who trained under no less than Sir Alexander Fleming and who sadly now has died, rediscovered the benefits of water and used it extensively in his clinical practice for the last thirty years of his life. The information on rehydrating came from his book 'Your body's many cries for water'. He tried desperately to get his concepts 'out there' but who could make any profit from giving people water??? Nobody wanted to know. Still, at 'grass-roots' level thousands have discovered the 'cure' and are quietly gaining much benefit from it. It is amazing what drinking 7 - 8 glasses of water a day instead of other drinks and taking a few pinches of real unrefined sea or rock salt can do!I mentioned this to a friend the other day who has asthma. She went home and started the protocol and within two days her cough had virtually gone and she hasn't had to use her inhaler for two weeks. She really notices it if she hasn't had enough water.By the way, you can't speed things up by drinking a lot of water - that could actually be dangerous. It has to be done gradually.