If you do not have options, I believe your answer is obesity.
If you do have options and this isn't one of them, please comment on this question and tell me what your options are. I would love to help.<span />
1-G, 2-D, 3-B, 4-F, 5-C, 6-A, 7-E
A digestion system specialist is a gastroenterologist
Size, cost, and safety are things to consider.
"Cleaning can be difficult" is not a sufficient reason to not buy something. It can be a factor, but everything else is to be taken with much more consideration.
I hope this helps!
~kaikers