What does that have to do with WHAT he ate? Gratuitous insult is what is intended.
It may be curry is helpful, or ginger, both of which I love and eat often, but it's also likely true that the gene for vulnerability to Alzheimer's is not much in India.
Yes, that was an insult. This is an Indian paper and in Indian culture, eating anything but a fresh home-cooked meal is seen as a sign of not having much class.