Sunday, May 29, 2005

Science Contradicts Itself

Science contradicts itself all the time.  This is especially true of medical science that is used to affect humans' health, liver function, pancreatic function, cardiovascular function, kidney function, among others.  Medical doctors constantly switch around their dietary dictates, recommendations medical procedures, dietary supplements, and prescription pharmaceuticals.

Butter is bad for you.  Use margarine.  But then more recently, it turns out that, wait nope, margarine, i.e., hydrogenated oil, is bad for you.  Butter is still bad for you, though.

They were saying that all fat is bad.  But then, nope, it turns out that some fats are good for you.  Avocado fat, walnut and pecan and almond fat.

Eggs are good for you because they are not red meat.  But then, nope, the cholesterol in egg yolks is bad for you.  Cholesterol is bad for you.  Oh, wait, nope.  It turns out that the brain and nervous system need quite a lot of cholesterol to function properly. 

I have thought that these doomsayers averting us away from the perils of cholesterol were strange ever since high school when I learned that cholesterol is a large component of the brain and nervous system.

The Schwann cell is a flat little cell that wraps around a neuron's tail (axon) several times like a burrito.  The Schwann cell has to be thin and flat enough to be able to wrap around the neuron-tail easily.  The only way it can do this is if it is made up almost entirely of cell membrane, and cell membrane is all fat molecules and cholesterol molecules.  Several Schwann cells line up next to each other and wrap around said neuron's tail, each one occupying its spot, and together they are known as the myelin sheath for that neuron.  This ominous foreboding is slightly misguided.

Barbecuing foods causes cancer or whatever.  Some foods cause cancer or whatever.  Okay, so that's a broad oversimplification, but you get the idea.

This week the news reports will be ablaze with stories of how a certain food is good for you.  And next week the news will be saying, "oh no, sorry, we were wrong last week, you are going to die if you eat that food."

Bacteria is baaadddd!  Oh wait no, it turns out that some bacteria is good for you.  Good bacteria that lines the inside of your large intestine helps your digestive system.  Good bacteria on your skin and in your throat works as a barrier that keeps bad bacteria from proliferating and making you sick.  Use antibacterial soaps to wash your hands, it will cure you of all bacteria!!  Wait, nope.  It turns out that antibacterial soaps only get rid of standard non-virulent bacteria.  This leaves stronger antibacterial-resistant bacteria alive, allowing them to multiply and pass on their stronger antibacterial-resistant genes.  Oh, wait.  If you work in the clinical medical setting, then go ahead and use antibacterial soap anyway, just in case.

It gets to the point where people just grow weary and bored with these conflicting scientific discoveries that keep popping up and zigging and zagging around common knowledge.  I have become rather jaded and cynical upon encountering these "breakthroughs."  I usually can be found rolling my eyes and saying, "Oh, give me a break."  What's the point in paying attention to any of them if they are just going to stumble upon something contradictory in a few months?  There is no point in taking any of them seriously, nor in adapting my life to revolve around the TV news' suggestions.

Oh, forget it.  I'm not going to heed those idiotic "new scientific breakthroughs" any more.  I'm just going to use my own common sense which has served me very well over the years.

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