Childhood obesity has been on the rise for some time. Obesity can cause many diseases such as hypertension, diabetes and heart disease, and could even shorten the lifespan of overweight people. To find a solution, we need to look at why this is happening. Could the cause be the increase in working parents, the availability of fast food, portion sizes or a sedentary lifestyle? I believe that obesity in youth is multifactorial and that all of these factors contribute to it. A sedentary lifestyle has become the norm for many children today. They often play indoors rather than choosing an outdoor activity. My son has a laptop, a Play Station, an Xbox, a tablet and an iPhone. When I say it out loud, it sounds ridiculous. He likes to ride his bike and play ball, but more often than not he plays video games or watches TV. We can no longer count on schools to offer physical activity. The Atlanta school system has banned physical education in hopes of improving academic performance, and fewer than half of the nation's schools offer physical education. Unsurprisingly, the proportion of secondary school students...