56 years old. I drink 18 to 24 light beers a day and smoke two packs of cigarettes a day. I am also diabetic (type 2) on Lantus. Also, I do 35 mg of Norco a day for neuropathy. High anxiety, stress, depression, fatigue and sit at desk all day long. No excercise. 6 ft. tall 165 lbs. Sleep in 4 hour increments. Last blood panel came up with flying colors ecept for elevated A1c (9) . Having trouble with word recall, short term memory. I have drank beer for 40+ years. Help?