"Grandma or the old-fashioned nurse is responsible for a large share of the cases of constipation," says Dr. Brady in his book, "Personal Health." True enough, for until recent years, very little attention has been paid to constipation; it was considered somewhat as red hair, some had it and some didn't. But as for there being a scientific reason behind its presence, these grandmothers and practical nurses of ours scoffed at the idea.