इस विटामिन की कमी करती है हड्डियों और मसल्स को कमजोर, ये रहा शरीर में कमी पहचानने का सही तरीका Constipation commonly occurs when stool moves bit by bit through the digestive tract. As drinking water will get taken in the stool, the stool could become tough and dry. https://www.youtube.com/watch?v=JZtGPlmyCXg