CNN's Dr. Sanjay Gupta shares his top health advice as the world rings in the new year. | CNN

There's new evidence — and new hope — that lifestyle interventions can lead to cognitive improvement in people with mild cognitive impairment and early dementia due to Alzheimer's disease. Dr. Sanjay Gupta, CNN chief medical correspondent and host of the podcast "Chasing Life," has answers to your questions about dementia risk. Hear more answers from Dr. Gupta: https://cnn.it/3KT0iFN | CNN

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CNN's Dr. Sanjay Gupta speaks out after discovering scammers are using his likeness in AI deepfake videos and doctored images to sell bogus health cures and fake health products. | CNN