What percentage of babies are born addicted to drugs?
A recent analysis by the Centers for Disease Control estimated that nearly six out of every 1,000 infants born in the U.S. are now diagnosed with NAS.
What does it mean if baby has big head?
Macrocephaly is the term for an unusually large head. An infant with macrocephaly will have a larger head than most other infants of the same age and sex. In many cases, this condition is benign or harmless. In other cases, it may indicate an underlying medical condition, such as a genetic syndrome or a brain tumor.
What can cause a baby to have a big head?
Causes of macrocephaly include: Benign familial macrocephaly – other family members with big heads (inherited) Excess fluid in the brain – benign extra-axial fluid of infancy or hydrocephalus.
Do autistic babies have large heads?
The brains of autistic children undergo an abnormal and dramatic growth spurt in the first year of their lives, according to a new study. The growth makes their heads markedly larger than those of normal infants.
Are babies with large heads smarter?
The study found that babies with a head circumference of 12.5 inches to 14 inches were more likely to be smarter when they grew up. Intelligence later in life was shown by achievements such as earning a college degree or scoring higher on verbal or numerical reasoning tests.
Does head size related to intelligence?
In healthy volunteers, total brain volume weakly correlates with intelligence, with a correlation value between 0.3 and 0.4 out of a possible 1.0. In other words, brain size accounts for between 9 and 16 percent of the overall variability in general intelligence.
What is the disease when you have a big head?
Macrocephaly refers to an overly large head. It’s often a symptom of complications or conditions in the brain. There’s a standard used to define macrocephaly: The circumference of a person’s head is more than two standard deviations above average for their age.
How does microcephaly affect a child?
Babies with microcephaly can have a range of other problems, depending on how severe their microcephaly is. Microcephaly has been linked with the following problems: Seizures. Developmental delay, such as problems with speech or other developmental milestones (like sitting, standing, and walking)
How common is Macrocephaly?
Benign familial macrocephaly (external hydrocephalus) accounts for about 50% of cases. It is an autosomal dominant condition that is four times more common in boys. Most affected individuals are developmentally normal. Other family members also have large heads.
Is Macrocephaly a genetic disorder?
Macrocephaly is a condition in which circumference of the human head is abnormally large. It may be pathological or harmless, and can be a familial genetic characteristic. People diagnosed with macrocephaly will receive further medical tests to determine whether the syndrome is accompanied by particular disorders.