I'm experiencing the below. Could it be Iodine Deficiency or Thyroid disease. 1. Shortness of breath (at times) 2. Tiredness3. Feeling cold, while others do not feel4. Heart beat is irregular.(beats fast after meals) 5. Pain in middle spinal cord. 6. Mentally, not feeling confident enough as I was earlier. I'm a male. Age-27.

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