Yes. Fried foods make you fat.
yes.
Corporations, McDonalds, School's, ect
The link is that an unhealthy diet can throw off your sugar levels and cause you to gain weight.
A lack of physical activty may lead to obesity. Obesity is a high risk factor for developing Type 2 diabetes.
no
The rate of obesity has been rising while the gene pool has remained relatively constant.
endrocrine system
I am not really sure about this one you can try a link such as www.symptomfind.com or maybe www.mayoclinic.com/.../obesity/ which will give you full break down on what exactly obesity is
Check out this link for the W2 McDonald's link: http://www.w2express.com/productsservices/originalW2.asp
McDonalds is a restrant
You can not blame the store who made the food for making you fat any more than you can blame the fork that put it in your mouth. It's just food, to get obesity you must eat it in excess of need. KFC does not cause obesity, nor does McDonalds, but peoples over consumption of the readily available and relatively cheap food instead of cooking their own can lead to obesity because of its high fat content.
Well, advertising clearly works (that's why companies like McDonalds spend millions of dollars on it. McDonalds advertising does not reference the extremely high fat and calorie content of its food. It is argued that parents in particular can be blamed for the obesity of their children.