 [ Symptoms ] ive been trying to loose wgt for mths with no results i exer have made my eat habit healthier why cant i loose weight i had my thyroid checked i changed my eating habits ive started exercising and i have not lost a pound why i am getting very depressed and somedays i feel that i would rather be dead then fat im 51 and extremely sad over my weight i have never been this weight other then when i was preg my normal weight is around 120 im 52 i have gotten to 160 and i hate it help please [ Disease ] yes you can fly in an airplane  when you have mono