October passenger numbers rise at JWA...
October passenger numbers rise at JWA
Airline passenger traffic at John Wayne Airport increased by
nearly 21% in October compared to last year’s figures, officials
announced Tuesday.
Statistics for October 2002 show 666,958 passengers at the
airport, compared to 553,194 for the same month in 2001 -- a gain of
20.6%. Commercial flights were up 4.1% while commuter flights -- also
known as air taxis -- increased 13.4%.
Despite the increases, total airport operations decreased by 2%,
from 31,441 combined takeoffs and landings in October 2001 to 30,825
this year.
Newport Beach to hold general plan meetings
Residents who want to have a say in the city’s general plan update
process are invited to attend Saturday’s Visioning Summit -- the last
in a series of city-sponsored events to gather citizen comments. Two
sessions of the summit will take place at the Oasis Senior Center, at
the intersection of 5th Street and Marguerite Avenue in Corona del
Mar.
The first session is from 10 a.m. to 12:30 p.m.; the second is
from 1 to 3:30 p.m.
City staff will offer information about the general plan update
process and its specific goals for the city -- everything from
traffic to tourism to development. Residents’ opinions will help
guide officials as they overhaul this blueprint for the city’s
future.
For more information, visit www.nbvision2025.com, or call (949)
644-3238.
UCI studies say it’s true: No pain, no gain
The phrase “no pain, no gain” -- often used by coaches to prod
school-age athletes -- may have more meaning than ever imagined, two
UCI College of Medicine studies have found.
The studies appear in the October issues of Pediatrics and
Pediatric Research and suggest new ways to mark the boundary between
healthy and unhealthy exercise. The research may also help physicians
and others develop optimal levels of exercise to help stave off an
epidemic of obesity in adults and children.
Dr. Dan Cooper, professor of pediatrics, and his colleagues from
the Center of the Study of Health Effects of Exercise in Children
found that even a single, intense bout of exercise in teens and
preteens raises levels of cellular chemicals that are usually
associated with disease, while the same bout builds muscle mass and
increases fitness.
“Physical activity in children gives two signals, one that marks a
healthy response and one that may be telling us the exercise stress
on the body has gone too far,” said Cooper, a specialist in the
effects of exercise on growth and development, in a press release.
“The healthy signals in cells help the body grow, build muscle mass
and increase lung capacity. But the bad signals are catabolic. They
actually encourage degradation of cells and are commonly linked to
diseases.
“The mystery we need to solve is how much exercise is too much,
and how much of these changes in signal levels are a normal product
of development,” he said.
Cooper’s team reported in the Pediatrics study that after 11
healthy teenage boys had a 90-minute strenuous wrestling practice
session, levels of cell messengers called IGF-I and insulin -- both
indicators of growth -- decreased at the same time as levels of
inflammation-inducing messengers had robust increases.
For example, Cooper’s team found an eight-fold increase in a
substance called IL-6. This substance is usually elevated in common
diseases such as the cold and the flu, and in more serious childhood
diseases like pediatric arthritis. In high concentrations, IL-6
causes fatigue, muscle aches and malaise.
In the study in Pediatric Research, 30 nonathletic boys ages 8 to
11 were tested. The boys partook in running, playing soccer, jumping
and other aerobic games for five weeks.
While the boys were engaged in a less intense exercise than
wrestling, the same cellular messengers associated with disease rose,
but to a lesser extent than they did with wrestlers.
“We now know there is a stress response to exercise that can be
measured even in healthy children,” Cooper said. “These stress
mediators are known to influence growth and development of many
tissues like muscle and bone.
“We think this research will one day play an important role in
understanding what the healthiest physical activity levels are for
children,” he said. “In addition, for children who suffer from
chronic diseases where many of these stress factors are already
elevated, this research may help provide these kids with physical
activity levels that are safe.”
Some of the cellular messengers, especially IL-6 and related
chemicals, are known to play a role in obesity and diabetes. These
messengers are also found to be elevated in asthmatics during
exercise.
Cooper and his colleagues are now looking at how responses in
these cellular messengers vary in different age groups in girls as
well as in boys. They are investigating whether the changes seen in
healthy children appear in children who suffer from childhood chronic
diseases such as asthma, obesity or cystic fibrosis, or in children
who have had heart surgery.
Cooper’s colleagues in the study include Dr. Dan Nemet, Youngman
Oh, Ho-Seong Kim and MaryAnn Hill of UCI. His colleagues in the
Pediatrics Research study include Nemet, Timothy Scheett and Robert
Newcomb of UCI, and James Stoppani and Carl Maresh of the University
of Connecticut.
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