The system of beginning DST at 2 AM on the first Sunday in April and ending it at 2 AM on the last Sunday in October was not standardized until 1986. The rules changed again in 2007. DST now begins on the second Sunday of March and ends the first Sunday in November.
Foods To Avoid. For those already struggling with constipation, Beyder and Chey both recommend avoiding red meat. It's high in iron, which can contribute to constipation. Calcium-containing foodsâsuch as milk and cheeseâcan cause constipation for some, Chey says. And Beyder also recommends avoiding fried foods. Proteins and fats stimulate release of gut hormones that slow down the gastrointestinal transit, he says.
Diet: Fiber is important in maintaining a soft, bulky stool; therefore eating foods low in fiber can cause constipation. The best natural sources of fiber are fruits, vegetables, and whole grains. Laxatives: One suspected cause of severe constipation is the over-use of stimulant laxatives, for example, senna , castor oil, and many herbs. An association has been shown between the chronic use of these products and damage to the nerves and muscles of the colon, possibly resulting in the condition.