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Health

March 11, 2010

Distinguished Professor of Nutrition at UNC-CH discovers . . .

. . . demand curves are negatively sloped.

A new study that followed participants for 20 years shows both weight and risk for diabetes decreased for people in communities where fast food prices increased.

The study also showed when prices fell, consumption, weight, and diabetes risks rose.

(Link via Chris at Amateur Economist.)

March 10, 2010

Yet another benefit of marriage

"Single men and those in unsuccessful marriages were 64 per cent more likely to have a stroke than men in successful marriages."

(Yeah, yeah causality is in question. But they seem to have addressed it.)

March 09, 2010

Salt in the diet

What you think you know is probably wrong.

See also this interesting paper by the late David A. Freedman and Diana P. Petitti (.pdf file).

The “salt hypothesis” is that higher levels of salt in the diet lead to higher levels of blood pressure, increasing the risk of cardiovascular disease. Intersalt, a crosssectional study of salt levels and blood pressures in 52 populations, is often cited to support the salt hypothesis, but the data are somewhat contradictory. Four of the populations (Kenya, Papua, and two Indian tribes in Brazil) do have low levels of salt and blood pressure. Across the other 48 populations, however, blood pressures go down as salt levels go up—contradicting the hypothesis. Experimental evidence suggests that the effect of a large reduction in salt intake on blood pressure is modest, and health consequences remain to be determined. Funding agencies and medical journals have taken a stronger position favoring the salt hypothesis than is warranted, raising questions about the interaction between the policy process and science.

Reminds me a little of man-made global warming.

February 22, 2010

Three posts from Mark J. Perry on market-driven innovations in medical care

If the political system stays out of the way, some great things are happening to make medical care cheaper and better.

"Bypass the Doctor and Go Straight to the Lab".

"Market-Based Health Care Reform: Cash Only Family Practice, No Insurance, House Calls for $90".

"More on Cash-Only Medicine: Like Being Born Again".

February 01, 2010

An ethical conundrum

Newsweek article argues that antidepressants don't work any better than placebos. But they do work--they have a significant effect apparently because people believe they'll work.

Do you tell them this?

(In my opinion, yes. Honesty is usually the best policy. And in this case, also cheaper.)

January 25, 2010

"Twenty Trends For The 2010s"

By Rich Karlgaard of Forbes. It would be great if he proves right about these two:

4. Almost All Cancer Becomes Manageable

The good news about health in the 2010s is that almost all cancers will become manageable events, assuming reasonably early detection.

9. Bandwidth Progress Continues

At the pace of 3x every two years. Look for somebody pushing a terabyte per second down a single wire by mid-decade.

January 22, 2010

So how is that huge H1N1 epidemic working out?

Michael Fumento tells us.

Maybe resveratrol is bogus

Too bad. Next!

(Link via Instapundit.)

January 18, 2010

"Eye test that spots Alzheimer's 20 years before symptoms"

A British newspaper says an inexpensive test could be ready "in as little as three years".

A more cautious view here.

December 30, 2009

Some health and medical news

From oldest to newest:

"Why A Low-Calorie Diet Extends Lifespans: Critical Enzyme Pair Identified".

"Tests Begin on Drugs That May Slow Aging".

"Potent metastasis inhibitor identified".

"Fighting Cancer With Fruit".

"Doctors start to include vitamin D in fight against cancer".

"Colon cancer stopped in its tracks in Swiss study".

"Cancers Can Vanish Without Treatment, but How?"

"Cancer treatment enters 'very exciting' era".

"Scientists Find Gene Linked to Longer Life".

"Analyzing Cancer Cells to Choose Treatments".

"Revolutionary operation could 'cure' high blood pressure".

"Troubleshooters that block cancer".

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