gary's blog

♥Genes marked by stress make grandchildren mentally ill (but there's good news)

Submitted by gary on

NOTE - in the article there's some good news on reversing epigenetic changes - in emphasis.

Genes marked by stress make grandchildren mentally ill
Posted by SA on November 3, 2010

A little thing called methylation means that parental neglect, or eating a poor diet, could lead to depression or schizophrenia two generations later

What we can learn from workaholic monkeys -dopamine

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What we can learn from workaholic monkeys -dopamine and d2 receptors
By Siri Agrell
Globe and Mail Update November 2, 2010

Monkeys are born slackers - until someone turns off the 'reward' gene. Our current cultural predilection toward busyness may be a simple case of bad wiring

Monkeys are born slackers. The furry procrastinators of the natural world will happily wait for a banana to fall from the tree rather than exert any energy to climb up there and grab one.

STUDY: Leisure-time exercise 'reduces depression risk'

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Leisure-time exercise 'reduces depression risk'

The fact that people get more enjoyment from exercising during their leisure time is key

People who take regular exercise during their free time are less likely to have symptoms of depression and anxiety, a study of 40,000 Norwegians has found.

But physical activity which is part and parcel of the working day does not have the same effect, it suggests.

Writing in the British Journal of Psychiatry, the researchers said it was probably because there was not the same level of social interaction.


Submitted by gary on

Interesting study. I wouldn't be surprised if similar findings occur when scanning the brains of heavy porn users. Note the silly revelation below:
"provides solid evidence that the problem can have a physical origin."
It's silly because there is no separation between brain structure and neurochemistry, and behavior or symptoms. When will they get it?

25 October 2010

Altered brain blood flow may explain a lack of desire, scientists believe

Food Addiction: Could It Explain Why 70 Percent of Americans Are Fat?

Submitted by gary on

Great article -I like all of Dr. Hymans articles (Huffington post).

My comments: One could substitute internet porn for highly palatable foods and get a similar article. Unfortunately, very little brain research has been done on Internet porn.
It's important to realize that Internet porn has qualities that make it different from other addictive substances or activities (and even easier to get hooked on):

Study shows tranquil scenes have positive impact on brain

Submitted by gary on

Study shows tranquil scenes have positive impact on brain

September 14th, 2010 in Medicine & Health / Neuroscience

Tranquil living environments can positively affect the human brain function, according to researchers at the University of Sheffield.

The research, which was published in the journal NeuroImage, uses functional brain imaging to assess how the environment impacts upon our brain functions.

Sugars Power Over Humans Traced

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Sugars Power Over Humans Traced

Sugar may be a rich source of empty calories, but there's more to the story.
By Emily Sohn | Mon Sep 13, 2010 07:00 AM ET

Sugar is the enemy, according to a growing body of research, and not just because it rots our teeth and adds padding to our thighs.

The real danger is fructose -- a main ingredient in table sugar, high fructose corn syrup, and fruit -- that actually gets into our cells and alters metabolism.