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

Mark's Daily Apple

28 Jan

Gotta Love That Genome

Cool news for your Monday – Researchers from Duke University have discovered a way to examine the entire genome and find the “unpackaged” centers that direct gene expression:

A new resource that identifies regions of the human genome that regulate gene expression may help scientists learn about and develop treatments for a number of human diseases, according to researchers at Duke’s Institute for Genome Sciences & Policy (IGSP). … “Scientists have used similar methods to look at tiny portions of the genome in the past, but ours is the first technology to really allow researchers to look at the whole genome, so we can see all of the areas where gene regulation occurs,” said Terrence Furey, Ph.D., a researcher in the IGSP and co-senior investigator on this study. “Identifying these sites may help us understand the biological basis for gene regulation expression patterns in different cell types. We’ll also compare patterns within and across species, in response to external stimuli and in diseased tissues.”

via Science Daily

Keep reading…

28 Jan

Dear Mark: Sugar Cravings

Dear Mark,

I do pretty well in the fitness department, love my veggies and get plenty of protein. My problem is that I can’t seem to shake my sugar cravings. Suggestions?

I get some version of this question on a fairly regular basis. A common theory says that we evolved to crave sweet tastes in order to seek out healthy fruits to diversify our diets. The problem comes in the current age when our inclination is bombarded with the likes of Coco Puffs, Snickers and pudding packs.

Keep reading…

25 Jan

Anaerobic Exercise HGH Link

I love this stuff. A recent study published in the British Journal of Sports Medicine may help explain what I have been saying for quite some time here: that exercise stimulates the natural production of growth hormone (the very same HGH we just wrote about yesterday). But it’s the type of exercise that makes all the difference. And this further confirms something else we’ve been saying: that it’s short intense bursts that work the best.

Keep reading…

25 Jan

Friday Link Love

Adventures in Ethics and Science ponders the Ethical Considerations in the Development of the Male Birth Control Pill.

Aetiology reports that aflatoxin has been found in pet food.

That’s Fit has good news about taking DHA during pregnancy.

Eye on DNA reports on why direct-to-consumer genome scans may not be all they’re cracked up to be.

FitSugar gives tips on How to Beat Job-Related Weight Gain.

Keep reading…

25 Jan

Study Finds Exercise Prolongs Lifespan

A study published Tuesday in the online edition of the American Heart Association’s journal Circulation suggests that frequent exercise can reduce the risk of death in men.

To examine the link between fitness and mortality, Veterans Affairs (VA) researchers gathered fitness data on 15,660 male VA patients undergoing treadmill testing for various medical reasons. The men, who had an average age of 60, where then assigned to one of four groups based on their level of fitness.

According to the results, mortality risk directly correlated with fitness level, with men in the highest fitness category being the least likely to die when compared to their less fit counterparts. For example, across the eight year study period, 44% of the men in the least fit group died, compared to 30% in the moderately fit group, 15% in the highly fit group, and 8% in the very highly fit group.

Keep reading…

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