Answer:
One-third of infants have periods of uncontrollable crying, called colic, which is as a result of immature digestion.
Step-by-step explanation:
Colic is a term used to describe a situation in which a healthy baby cries frequently for a long period of time.
Factors that could lead to colic include:
1) Discomfort from indigestion.
2) An undeveloped digestive system.
3) Overfeeding.
4) Early form of childhood migraine.
5) Reaction to fear or excitement.