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Category: health

Food allergies, part 1: why so many nowadays?

By Jack Posted on April 4, 2026 Posted in health Tagged with antigen, gut bacteria, hygiene hypothesis, vitamin d

Self-tutoring about health: the tutor wonders about the prevalence of food allergies these days. When I was a kid in elementary school, I never heard of food allergies, so far as I can remember. People did get hay fever back …

Food allergies, part 1: why so many nowadays? Read more »

Biology, health: gut bacteria, part 1

By Jack Posted on January 20, 2026 Posted in biology, health Tagged with anxiety, gut bacteria, gut flora, weight gain, weight loss

Self-tutoring about health: the tutor begins about gut bacteria. The following is according to my understanding. I’ve been hearing about gut bacteria for years. When I was in school I was taught that gut bacteria can help digest food and …

Biology, health: gut bacteria, part 1 Read more »

Health, lifestyle: Health care in Mexico, part 1

By Jack Posted on December 14, 2025 Posted in health Tagged with doctor visit, medical tourism, prescription

Self-tutoring about health care in other jurisdictions: the tutor mentions Mexico. The following is according to my understanding. A few years back someone mentioned they’d been down to Mexico for a procedure. They were happy with the experience and planned …

Health, lifestyle: Health care in Mexico, part 1 Read more »

Health: starve a fever, stuff a cold

By Jack Posted on December 7, 2025 Posted in health Tagged with enzymes, flu

Self-tutoring about traditional wisdom: the tutor mentions a situation that might confirm an age-old saying. Yesterday I was feeling crummy. After finishing my household chores, I lay back, resting. It was all I could do. What I had was a …

Health: starve a fever, stuff a cold Read more »

Health: US health care vs Canadian, part 1

By Jack Posted on October 24, 2025 Posted in health Tagged with comparative cost of health care

Self-tutoring about health care in the US vs Canada: the tutor mentions an article. The following is according to my understanding. I encountered this article by John R. Graham, Fraser Institute, that compares spending on health care in the US …

Health: US health care vs Canadian, part 1 Read more »

Medication: semaglutide

By Jack Posted on July 21, 2025 Posted in medication

Self-tutoring about medications: the tutor looks into semaglutide. The following is my understanding. Semaglutide is the active medication in Ozempic and Wegovy. Semaglutide is meant to take four actions: reduce appetite, slow digestion, increase insulin secretion (depending on blood sugar), …

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Health: does the body remember obesity?

By Jack Posted on July 20, 2025 Posted in health Tagged with obesity

Self-tutoring about keeping pounds off: the tutor mentions a study. Apparently, when the body has been obese, its fat cells may recall that state, and may even continue to function in a way that promotes weight gain. Such can be …

Health: does the body remember obesity? Read more »

Health: can caffeine promote DNA repair?

By Jack Posted on July 2, 2025 Posted in health Tagged with AMPK, caffeine, DNA

Self-tutoring about health: the tutor mentions a discovery about caffeine. My readers likely know that I’m a coffee drinker. Therefore, it was with pleasure that I read this article from the Jerusalem Post suggesting that caffeine can promote DNA repair …

Health: can caffeine promote DNA repair? Read more »

Exercise and fitness: targeting visceral fat with hiit?

By Jack Posted on June 15, 2025 Posted in exercise and fitness, health Tagged with hiit, visceral fat

Self-tutoring about exercise and weight loss: the tutor mentions an idea about hiit. Visceral fat, it seems, is known to be bad. On a low-fat vegan diet, I’ve lost about 11 pounds, but the visceral fat seems stubborn. How might …

Exercise and fitness: targeting visceral fat with hiit? Read more »

Health: Coffee: does it help one age better?

By Jack Posted on June 13, 2025 Posted in health Tagged with coffee, healthy aging

Self-tutoring about health: the tutor mentions an article he noticed. Apparently, moderate consumption of regular coffee (not decaf) from in one’s fifties can lead to aging with fewer problems than otherwise. Other caffeine-containing drinks didn’t seem to manifest this effect, …

Health: Coffee: does it help one age better? Read more »

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