Build up of calcium in your blood which can cause nausea and vomiting,weakness etc.
Answer:
Well it depends on what you mean but it could be that you or something is limiting what you can do or chose to do, these are rare unless you create these barriers yourself.
I would say it is most likely skills or information. It can be broadly interpreted in it's contest. It mostly likely co-insides with your required reading terms. I encourage you to use your best judgement.
That means that the blueberry muffin she's eating every morning is making her gain weight, and on top of that, she's eating a breakfast sandwich. Which is so much calories.