BIBob Issenman

1. Article · Sep 29, 2026 · Dr. Bob Issenman

   Ask Dr. Bob: Why do we need vaccinations in the fall? (opens the original)

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   Dr. Robert "Bob" Issenman is a pediatric gastroenterologist and a Professor Emeritus at McMaster University. Reach him at rissenman@icloud.com. Pediatricians are acutely aware of seasonal change. Community infection patterns, like the leaves on the trees, are directly affected by the weather. This doesn’t occur because people “catch a cold from the cold.” Rather, the number of infections circulating in the community increase with the clustering of children in school classrooms and the clos

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2. Article · Aug 18, 2026 · Dr. Bob Issenman

   How old-world recipes fuel today’s health craze (opens the original)

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   Dr. Robert “Bob” Issenman is a pediatric gastroenterologist and a Professor Emeritus at McMaster University. Reach him at rissenman@icloud.com. In spring, a young man’s heart turns to love. In summer, an old man’s heart turns to pickles. When I learned to pickle at my grandmother’s knee, I never realized that fermented food would eventually become a global health fad. Bubby’s recipe for Kosher dill pickles was pretty simple. Stuff a clean bottleneck jar with six to eight medium-sized

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3. Article · Aug 10, 2026 · Dr. Bob Issenman

   Bats, bugs, bites and other summertime dangers (opens the original)

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   Dr. Robert "Bob" Issenman is a pediatric gastroenterologist and a Professor Emeritus at McMaster University. Reach him at rissenman@icloud.com. A McMaster University professor was recently interviewed about the death of an 11-year-old child who died of rabies after coming into contact with a bat. This is the kind of horrifying story that terrifies parents and reminds all of us to be vigilant in the vicinity of bats, raccoons, coyotes, foxes and stray dogs. It is also a reminder that a bite by an

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