exercise
24% Young adults who have just entered college or the workforce get 24 percent less exercise on average than they did as teenagers.
Go the
DiStance
• Splashy news stories
about deaths during
marathons may make
running long distances
seem more dangerous
than it is. a study found
that runners needn’t
worry much about
dying from cardiac
arrest during a
marathon or half
marathon. the risk is
extremely low—with
about 1 death for every
250,000 runners.
Plus, the most common
cause of death was
an underlying genetic
heart problem, not
the type of heart
disease associated
with diabetes.
Source: New England
Journal of Medicine,
Jan. 12, 2012
M
Think Now,
Not Later
MuSING oN YouR long-term fitness
goals may sound like a good idea, but according to researchers
it’s better to stay in the present. A study of 40- to 60-year-old
women found that those who had goals that affected
their immediate quality of life (say, to reduce stress)
exercised up to 34 percent more often than those
who thought long-term goals (such as living long and
staying healthy) were most important.
Source: International Journal of Behavioral Nutrition and Physical Activity,
aug. 31, 2011
a SlimminG
hormone
• researchers report
discovering a new
hormone, irisin, that is
produced by muscles
and may confer the
benefits associated
with physical activity
to the rest of the body.
Injecting the hormone
into sedentary and
prediabetic mice
caused white fat, the
type linked to health
problems, to turn
into brown fat, which
actually burns calories.
irisin improved the
rodents’ insulin
resistance as well. the
researchers detected
the presence of the
hormone in people as
well and see potential
for irisin as a treatment
for diabetes and obesity.
Source: Nature, published
online Jan. 11, 2012
* | SAFETY No TE check with your health care provider before making big changes in your exercise plan,
which could require adjustments in your meds, foods, or other treatments.
