My longtime readers know that I love to inform you about ways that Mother Nature tries to hurt us. Since it’s winter, norovirus deserves our attention as it wreaks its seasonal havoc and occasionally closes down schools. Norovirus causes inflammation of the stomach and intestines. It’s commonly referred to as a “stomach virus” or “stomach flu”. (But it’s not related to the influenza virus. So let’s stop calling it the stomach flu. It just confuses people and makes them think that the flu ...