Marines seek to balance fast food, nutrition in quest for combat
fitness  Bird said that message doesn't always resonate with
young troops who don't worry about the fat calories they eat.
"When you're that age, you think you're invincible," she said.
Many of them don't consider family health histories of high
blood pressure, fat-laden cooking or genetics, she said.  "We
have our share of people who have weight problems," she said.
"There are some people who, because of genetics, have a constant
problem." Others have high metabolisms that enable them to eat
more food without gaining weight, she added, "and there's the
rest of us who are in between."  The battle of the bulge
Fitness doesn't always come easy to some.  Marine Lance Cpl.
Brian D. Lawson, at 5-foot-8, said he's "always been a big boy."
Once a 220-pound high school linebacker, he dropped 30 pounds
before enlisting three years ago. He dropped another 25 pounds
during boot camp.  Since then, his weight has gone up and down.
Recently, he's lost 12