@lispi314 @alyx @Breaking911 >Several diseases can also precipitate it, including influenza
No disease can violate the laws of thermodynamics - in order for enough fat to be generated to turn you obese, you must consume enough food to make all that fat.

>Most of the diseases vaccinated for very young also have horrible long-term effects on unvaccinated young children that catch them
Yes, that is what vaccines are for.