A sensible diet, an alert and steady mind, and devotion to universal law sounds good contemporary sense. In fact, this universal law comes from Inhotep, a priest-physician in Egypt around 3,000 B.C.!
There is nothing new under the sun, but there is a modern wisdom which is really very ancient. And, where ancient and modern wisdom coincide, despite some 5,000 years between, it is probable that we are touching a universal truth.