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Latest Posts

When Puberty Ends

I heard a 23-year-old woman complain: “I must be getting old when 11:00 at night is late.” It got me thinking.

It turns out that the explanation for why teens are natural night owls has recently been elucidated. They can’t help it — they just don’t get tired until way later in the evening. Then, of course, their bodies want to stay asleep well into the next morning in order to feel sufficiently rested. Since most of them are stuck with the artificial structure of school hours, they’re screwed — and condemned to suffer constant fatigue from cumulative sleep deprivation. Old news.

Then I started wondering about the back end of this phenomenon. Even though our American “youth culture” attributes great coolness to late-night happenings, since this pubertal sleep shift is biological, there must come a point at which their pineal glands go back to releasing melatonin at a more reasonable hour. Does 10 years sound about right? I remember not being nearly as enamored of the “all-nighter” by the time medical school rolled around, as opposed to college, where staying up all night was a regular occurrence. Certainly by residency (ages 26 to 30), it was a killer. Read more »

*This blog post was originally published at Musings of a Dinosaur*

Can We Stop Aging?

Dr. Aubrey de Grey, a contemporary popularizer of the very old idea that biological aging can be put on hold, gave this talk at TEDMED 2009:

*This blog post was originally published at Medgadget*

Latest Interviews

IDEA Labs: Medical Students Take The Lead In Healthcare Innovation

It’s no secret that doctors are disappointed with the way that the U.S. healthcare system is evolving. Most feel helpless about improving their work conditions or solving technical problems in patient care. Fortunately one young medical student was undeterred by the mountain of disappointment carried by his senior clinician mentors…

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How To Be A Successful Patient: Young Doctors Offer Some Advice

I am proud to be a part of the American Resident Project an initiative that promotes the writing of medical students residents and new physicians as they explore ideas for transforming American health care delivery. I recently had the opportunity to interview three of the writing fellows about how to…

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Latest Book Reviews

Book Review: Is Empathy Learned By Faking It Till It’s Real?

I m often asked to do book reviews on my blog and I rarely agree to them. This is because it takes me a long time to read a book and then if I don t enjoy it I figure the author would rather me remain silent than publish my…

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The Spirit Of The Place: Samuel Shem’s New Book May Depress You

When I was in medical school I read Samuel Shem s House Of God as a right of passage. At the time I found it to be a cynical yet eerily accurate portrayal of the underbelly of academic medicine. I gained comfort from its gallows humor and it made me…

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Eat To Save Your Life: Another Half-True Diet Book

I am hesitant to review diet books because they are so often a tangled mess of fact and fiction. Teasing out their truth from falsehood is about as exhausting as delousing a long-haired elementary school student. However after being approached by the authors’ PR agency with the promise of a…

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