Marks Daily Apple
Serving up health and fitness insights (daily, of course) with a side of irreverence.

Mark's Daily Apple

29 Dec

Dear Mark: Sunglasses and Sunlamps

Dear Mark,

We’re heading into the winter months (it’s chilly even here in Atlanta!) and the days are getting shorter. As “Lights out: sleep, sugar, survival” taught us, we’re wired to handle seasonal patterns of sunlight exposure. What are your thoughts on maintaining a tan year round? Would you be better off letting your tan wane in the winter and switching from regular fish oil to cod liver oil to compensate for the vitamin D? To maintain a tan in the winter months would probably require a tanning booth, and I’d be curious to hear your thoughts on using those, even very occasionally. I’d love to see an article discussing this topic if you can get around to it. If you’ve already written one, could you point me in the direction of it?

Keep reading…

28 Dec

Weekend Link Love – Edition 30

With the holidays behind us (well, there is still New Year’s to go) most big temptations are behind us, but 60 in 3’s 6 way to avoid temptations can always come in handy.

Conditioning Research published the results of another recent study that suggests a low carb diet is “effective for improving and reversing type 2 diabetes.”

Dr. John Briffa echoes a sentiment I made recently; if you must take antiobiotics be sure to take some probiotics to protect your gut.

Keep reading…

27 Dec

Your Heart is Telling You to Sleep

SleepingA study in a recent issue of the Journal of the American Medical Association suggests that sleep is an integral ingredient for heart health.

For the study, researchers from the University of Chicago outfitted 495 healthy, middle-aged volunteers with actigraphs, a device worn on the wrist to measure movement and rest.

Accounting for some degree of movement during sleep time – hey, we’ve all been there with the tossing and turning! – the researchers determined that the study participants slept an average of 6 hours per night but spent about seven hours in bed, presumably waiting to fall asleep.

Keep reading…

26 Dec

Shouting Groceries

A particularly difficult workout session the other day, along with the holiday fast approaching (not a holiday fast, mind you – really, who would fast on a holiday?), prompted this post.

As is typical of many mornings for me, the other day I bagged breakfast and just had a big cup of really strong coffee with a splash of heavy cream and nothing else. Figured I’d eat later at a business lunch. I had a full schedule and not a lot of time, so I decided to do a quick set of modified burpees, where instead of simply jumping, landing, and doing a pushup, I would toss a pull-up into the mix. Nothing but a rotation of squats, pushups, and pull-ups –  and lots of them. I did this for twelve minutes straight with intermittent breaks, which got progressively more frequent as time went on (admittedly). It’s an ass-kicker if you are ever pressed for time. By the end, I was feeling all the typical effects I’ve come to expect from my occasional hard workouts: throbbing legs on the verge of giving out; arms that don’t seem to work anymore; sweat pooled around my feet; and a pretty high heart rate. But I was also incredibly nauseated, which is unusual for me – almost to the point of vomiting. I didn’t feel like moving for about five minutes, and I quite frankly wasn’t myself for the next hour. If it hadn’t been an early morning workout on an empty stomach, I probably would have emptied its contents. This got me to thinking – is too much intensity (to the point of nausea and vomit) a bad thing? Or is the nausea that comes with a particularly intense workout telling us that maybe we’re doing it right?

Keep reading…

25 Dec

Merry Chrismahanakwanzakah (and Festivus too!)

Happy Holidays to all Mark’s Daily Apple readers! For those of you jonesing for some yuletide health and fitness material, please enjoy this mashup of some of the best holiday-related posts from Mark’s Daily Apple and other health blogs around the net.

And check back tomorrow for a fun talk about nausea, vomiting, manliness and more vomiting.

Keep reading…

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