Your hormonal troubles start with "overcarbsumption": the chronic overconsumption of supernormally stimulating, nutrient-poor, carbohydrate-rich foods.
To begin with, a constant excess supply of carbohydrates will tilt your metabolic "preference" toward buring what's most plentiful - sugar - when fuel is needed. If there is an overabundance of sugar, the sugar takes precedence over fat as a source of energy in many metabolic processes, and stored fat doesn't get burned for energy.
If less fat is being burned for fuel, then it accumulates, and body fat levels tend to increase.
In addition, all that excess glucose poses a storage problem in the body. If there's space available in the liver and muscle cells, they'll happily uptake glucose. However, if those cells are already full of glycogen, they will politely decline any additional nutrition (essentially putting up a No Vacancy sign). When there is no room in the liver and muscle cells, the body shifts fuel storage to Plan B.
You will not like Plan B.
When the liver and muscle glycogen stores are full, the liver (and your fat cells) convert the extra glucose into a type of saturated fat called palmitic acid, which can then bind together in groups of three (with glycerol) to form TRIGLYCERIDES
These two processes combined - the preferencital burning of carbohydrate over fat for fuel and the creation of triglycerides - lead to increased body fat and increased triglycerides and free fatty acids in the blood, neither of which is desireable or healthy. And this pileup of sugar and triglycerides in teh blood pushes another hormone, leptin, out of balance.