A few months ago, I came across a news item claiming that the newest food trend in Japan is black food: black sesame seeds, black rice, black vinegar, black soybeans, etc. Is there anything to it?

For years, people didn’t pay much attention to vitamin D. We knew that adequate levels were important to prevent osteoporosis, rickets, and other bone and joint diseases. And that was about it. Get enough, but not too much, and that was about that…