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CDC 5,481,726
Dr. Mehmet Oz 3,298,771
Marianne Williamson 2,631,700
Dr. Drew 2,571,020
Ben & Candy Carson 2,335,123
Dr. Sanjay Gupta 2,317,563
CDC Emergency 1,898,010
Cleveland Clinic 1,799,545
NIH 1,705,282
Duane Reade 1,514,563
Michael Strahan 1,259,173
NYT Health 1,115,186
American Cancer Society 1,079,553
NEJM 930,914
Livestrong 832,531
The Lancet 735,208
AMA 732,339
Eric Topol 688,891
Macmillan Cancer Support 658,615
Johns Hopkins Medicine 637,154
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