I Am So Tired All The Time, Can't Lose Weight.

I am so tired all the time, can't lose weight. I eat one meal a day. Gave up all snacks. Have headaches, aches and pains. Have a crushed disc and buldging disc and a herniated disc from the very bottom to the third one up for the last 9 years. Have osteo arthristis also. Am on depression meds., lately getting pain between my shoulder blades and arms. anything I can do?