The empty calories they were specifically discussing were juice.
Turns out that apple juice can help stave off Alzheimers.
Reuters Health said:
Drinking apple juice helps slow the accumulation of the protein fragments that damage the brain in Alzheimer’s disease, new research in mice shows.
The protein fragments, known as beta-amyloid, are the building blocks of the plaques that form in the brains of people with Alzheimer’s disease.
The findings don’t suggest that Alzheimer’s disease can be treated by gulping gallons of apple juice, but they do point to the importance of long-term nutrition in preventing aging-related changes like those seen in Alzheimer’s disease, Thomas B. Shea of the University of Massachusetts-Lowell, the co-author of the current study, said in an interview with Reuters Health.