All posts by Mark Crislip

Mark Crislip, MD has been a practicing Infectious Disease specialist in Portland, Oregon, from 1990 to 2023. He has been voted a US News and World Report best US doctor, best ID doctor in Portland Magazine multiple times, has multiple teaching awards and, most importantly,  the ‘Attending Most Likely To Tell It Like It Is’ by the medical residents at his hospital. His multi-media empire can be found at

Skeptics in the Pub. Cholera. Chapter 10b

A young woman was waiting at the pump. She introduced herself as Amy Blogg, an Illustrator for the River Weekly. She quickly let us know that she had been briefed by Mrs. Howitt. I demonstrated the workings of the microscope on a blade of grass and an ant. It was met with the usual expressions of amazement by first-timer users. If I...

/ February 24, 2024

More Unneeded Adjectives

This is going to be a mostly reference free blog entry. Mostly a rambling opinion about my biases and opinions about science. And you know what they say about opinions. I seem to fret an inordinate amount about adjectives. So often they do not belong in front of the nouns found here at the blog. I remain a touch annoyed at the...

/ February 20, 2024

Skeptics in the Pub: Cholera. Chapter 10a

When I woke up the next morning, I went for my usual tea and scone. Then I caught the trolley to work. When it reached the far side of the Steel Bridge, I hopped off. I took the steps down to the lower level and took the narrow walking path back across the river. I saw no one get off the trolley...

/ February 17, 2024

Skeptics in the Pub. Cholera. Chapter 9b

“You are here early,” he said. “Yeah. I’m trying to decide what to do about this pump and the seawater cure. So far, my attempts are falling flat.” I told him about the couple pumping water and my lack of success in stopping them from taking the water home. “No surprise,” said Bonham. “Water is supposed to be as safe as mothers”...

/ February 10, 2024

Skeptics in the Pub. Cholera. Chapter 9a.

For once, I beat the alarm clock by a good hour. Anxiety is better than sunrise for becoming and staying awake. I had too many things to do, and neither the time nor the skill set to accomplish them. As the week progressed, I had become increasingly aware that every hour we did not act meant more death and disease—and I could...

/ February 3, 2024

Skeptics in the Pub. Cholera. Chapter 8b

It's the pump! But you knew that.

/ January 27, 2024

Skeptics in the Pub. Cholera. Chapter 8a

The Cholera continues.

/ January 20, 2024

Boosting. What To Do.

The immune system can't be "boosted." It is an inane concept used by those who promote unscientific approaches to medicine.

/ January 16, 2024

Skeptics in the Pub. Cholera. Chapter 7b

Will this ever end? Eventually.

/ January 13, 2024

Skeptics in the Pub. Cholera. Chapter 7a

The story continues apace.

/ January 6, 2024