i do not like to eat and when i do i feel blah. i yhave trouble swallowing sometimes and woke up with a burning in my throat. i have constant nausea. i have felt this way for about 3/4 of a year and i also have anxiety about being sick. i am 14 years old 5 feet, and 84 pounds. i am as thin as a skeleton and i have been told it is stress, anxiety, depression and i may have acid reflux. what else is it