Thumb Sucking
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Thumb sucking is a behavior found in humans, chimpanzees, and other primates. It usually involves placing the thumb into the mouth and rhythmically repeating sucking contact for a prolonged duration. It can also be accomplished with any piece of skin within reach (such as the big toe) and is considered to be soothing and therapeutic for the person. At birth, a baby will reflexively suck any object placed in its mouth; this is the sucking reflex responsible for…mehr

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Thumb sucking is a behavior found in humans, chimpanzees, and other primates. It usually involves placing the thumb into the mouth and rhythmically repeating sucking contact for a prolonged duration. It can also be accomplished with any piece of skin within reach (such as the big toe) and is considered to be soothing and therapeutic for the person. At birth, a baby will reflexively suck any object placed in its mouth; this is the sucking reflex responsible for breastfeeding. This reflex disappears at about four months of age; thumb sucking is not purely an instinctive behavior and therefore can last much longer. Moreover, ultrasound scans have revealed that thumb sucking can start before birth, as early as 15 weeks from conception; whether this behavior is voluntary or due to random movements of the fetus in the womb is not conclusively known.