Aerobic for Healthy
The existence of beings that breathe oxygen for energy appears as a constant struggle against oxidation. The same breath, as well as external factors such as chemical pollution and radiation produce reactive oxidant species, usually free radicals, molecules that are normally very active small and can damage macromolecules essential to life as nucleic acids (carriers genetic information) and proteins (mainly responsible for the functioning of living organisms). Oxygen is essential to our lives, and paradoxically also is responsible for the “combustion.”
Oxygen breathing organisms have endogenous mechanisms of defense against free radicals, but in some circumstances these systems are inadequate and should be complemented through food.
The vast majority of plants have substances called polyphenols, which have antioxidant activity and free radical scavenger. Polyphenols are increasingly appreciated as agents related disorders free radicals, such as cancer and cardiovascular disease. Polyphenols are on the aerial parts of plants, such as stem, leaves, fruits and their concentration is higher in areas of stronger colors, such as the outside of the lettuce, bright green sometimes indoor throw to consume more white, but with less nutritional value.
When performing aerobic exercises our oxygen consumption increases considerably, and in some sports such as marathon, Ultradistance, cycling, triathlon, skiing, race walking, etc., Oxygen consumption may be several times more than in other disciplines. We’ve all seen the look of a marathoner to finish the race after more than two hours to 75% of its maximum volume of oxygen or a cyclist to reach Paris in the Tour de France. But these are highly competitive sports and professionals have their resources.