oxygenmag.com 15
inhale
BRING ON
THE HEAT
Training in the heat can
increase your blood
plasma volume and
improve cardiovascular
fi tness, according to
research. It also does a
better job than altitude
when it comes to
increasing VO2 max.
Build up your heat
tolerance slowly and drink
plenty of water to avoid
dehydration.
LET
OXYGEN
BE YOUR
PERSONAL
TRAINER