What does mean for hard stool? And reasons are..

Hard stool or constipation means that you stool is rare,than three times/week,stool is poor,hard,belly is swelling.
A first constipation causes a remedies, meal, nervousness,changing a place for living, pregnancy, hormonal changes,and uterine enlarge.
Second hard stool causes disbacteriosis, duct damage.
Idiopatic causes a damage of motoric duct, non reason.
Alimentar hard stool is a stool low,because of water balance poor, you drink of poor water, eating poor of fibers.
Mechanic causes hemorrhoid, starvation.
Hypo and des-kinetic causes anomaly or nerves damage, psychic, heart failure, obesity, ibs, adult muscles hypotonia, long bed regime.
Medicament hard stool causes morphine, calm drugs, tranquilizers.
Endocrine hard stool causes diabetes, climax, hypophyseal disorders, myxedema, hyper para-thyreodismus.
Reflecdtion hard stool happens in the pressure on defecation, active mode of life, work on different time, fast days, do not visit a toilet if sanitary is bad in any places.
Inflamed hard stool is in inflamed of thick, and thin bowel.
Proctogen in pathology of anorectic side.
Toxic in eating of tannin meal, smoking,poisoning with, professional of.
Long hard stool leads to acute of hemorrhoid, proctitis, intoxication, weight body low, fatigue, nervousness,and poor work ability.
And a cure is laxative, but they cause addiction,thus if a few damages they avoid using,and therefore cure is right diet.