Maternal
smoking may impair infant immunity, causing a broad
range of infections
Smoking
cessation, even during pregnancy, may reduce infant
hospitalizations and death
In "Maternal Smoking During pregnancy and
Infant Infectious Disease Morbidity and Mortality,"
published earlier this year in the journal Pediatric
Infectious Diseases, researchers reviewed hospitalization
records and death certificates of 50,000 infants born in
the state of Washington between 1987 and 2004. The
case-control study assessed infant hospitalizations and
deaths due to respiratory and non-respiratory infectious
disease.
The infants of mothers who smoked were 50 percent more
likely to be admitted to a hospital or die from any of a
wide variety of infectious diseases than babies of mothers
who did not smoke.
"We've known for a long time that babies born to mothers
who smoke during pregnancy are at high risk for serious
medical problems relating to low birth weight, premature
delivery and poor lung development," said lead study
author Abigail Halperin, MD, MPH. "While respiratory
infections have been recognized as a common cause of these
sometimes life-threatening illnesses, this study shows
that babies exposed to smoke in utero also have increased
risk for hospitalization and death from a much broader
range of infections—both respiratory and
non-respiratory—than we knew before."
The findings were largely independent of birth weight and
gestational age, "thus even full-term babies with normal
weight are at increased risk for hospitalization or death
from multiple types of infections if their mother smoked,"
said Dr. Halperin. The results suggest that exposure to
smoke during pregnancy harms infants' immune responses
more generally, not just within the respiratory system,
she said.
The study also found that when mothers cut back on their
cigarette smoking or quit part way through their
pregnancy, it seems to lower their child's risk of
infection, said Dr. Halperin. "Counseling pregnant women
to reduce their smoking, if they are not able to quit
completely, may help reduce infant hospitalizations or
death," she said.
American Academy of
Pediatrics (AAP) National Conference and Exhibition.
102013
Kishor Hypnotherapy
Consultant, Consultant Editor, www.HypnotherapyFAQs.com
When you quit
smoking, you start to benefit immediately.
Here are just a few
examples of the improvements to your health ...
-
Within
20 minutes of quitting smoking -
your blood pressure and pulse rate drop to normal and
the temperature of your hands and feet increases to
normal.
-
Within
8 hours of quitting to smoke - your
carbon monoxide levels drop and your oxygen levels
increase, both to normal levels.
-
Within
24 hours of quitting - your risk of
a sudden heart attack decreases.
-
Within
48 hours of quitting - nerve endings
begin to regenerate and your senses of smell and taste
begin to return to normal.
-
Within
2 weeks to 3 months of quitting -
your circulation improves and walking becomes easier;
even your lung function increases up to 30%.
-
Within
1 to 9 months of quitting - your
overall energy typically increases and symptoms like
coughing, nasal congestion, fatigue, and shortness of
breath diminish; also, the small hair-like projections
lining your lower airways begin to function normally.
This increases your lungs' ability to handle mucus,
clean the airways, and reduce infections.
-
Within
1 year of quitting - your risk of
coronary heart disease is half that of someone still
using tobacco.
-
Within
5 years of quitting - the lung
cancer death rate decreases by nearly 50% compared to
one pack/day smokers; the risk of cancer of the mouth is
half that of a tobacco user.
-
Within
10 years of quitting - your lung
cancer death rate becomes similar to that of someone who
never smoked; pre-cancerous cells are replaced with
normal cells; your risk of stroke is lowered, possibly
to that of a nonuser; your risk of cancer of the mouth,
throat, esophagus, bladder, kidney, and pancreas all go
down.
National Institutes of Health
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