Healthy Tips
Disinfect their targets and avoid a cold
In cold and flu season, should do a little extra effort to prevent germs and bacteria that cause diseases, spread through the house and affect members of his family. One of the most simple and easy to do that is keeping clean their targets.
Although often you wash your sheets is obviously a personal decision, there are scientific arguments that point to wash the bedding once a week is good for health. According to ehow.com and examiner.com, wash your sheets once a week (in hot water at a temperature of 54 degrees or more) means getting rid of dead cells (the perfect food for bacteria) and mites allergy-causing dust and accumulate every night to sleep. If you or someone in your family is prone to sweat, or if your pet sleeps on the bed, wash your sheets every two days, rinse the dirt and leaves your pet scaling. And do not ignore the cover of his mattress, is a good idea to wash every two weeks or, at least every month. Read the rest of this entry »
Scientists create human cells directly from skin
Two teams of British and Canadian scientists have created human cells directly from the skin of a patient, eliminating the need for embryos.
The results of investigations by both teams, announced by the journal Nature, are an important step in the search for safe treatments for the replacement of damaged tissue in any part of the body.
Properly manipulated by scientists, skin cells take on the properties of stem cells from embryos normally so they can become any tissue type in the human body.
Previously it was only possible to create these induced pluripotent stem cells (initials in English: iPS) using viruses to insert four genes that perform the reprogramming.
But the modified virus DNA in the cells so that increased the risk of cancer, so the technique was too risky for use in human patients. Read the rest of this entry »
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Power Plate – Vibration slimming
Finally technology has invented the object that both were expecting. I’m talking about the revolutionary Power Plate, a vibrating machines that stimulate contractions of our muscles in a matter of minutes. Just stand, sit or lie on it depending on the muscles you want to work, press a button and ready to wait for the results!
The basic principle of this training is to stimulate the body’s natural response to vibrations that transmit waves of energy throughout the body creating reflex muscle contractions between 25 and 50 times per second.
Therefore, Power Plate is the latest craze in gyms for those who seek results in the shortest possible time with 15 minutes of Power Plate for 3 times a week enough.
Listeriosis cases increased to 134 in Chile
The cases of listeriosis in Chile have risen to 134 since an outbreak of disease in the last week of last November, health officials reported today.
The death toll due to disease, caused by the bacterium Listeria monocytogenes, remains at five, according to official data, although the number of cases a year five times the normal.
On that basis, the authorities indicated that it is the largest outbreak in 14 years of this disease, which mainly affects older adults, infants, pregnant women and immuno-depressed people. Read the rest of this entry »
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Biosensor detects HIV infection in less than an hour
Researchers at the Consejo Superior de Investigaciones Científicas (CSIC) and Universidad Autónoma de Barcelona (UAB) have developed a type of biosensor that detects infection with HIV, the virus that causes AIDS, in less than an hour.
The new method, based on a genetically modified enzyme and a small network of microelectrodes, is especially useful in geographic areas with insufficient medical resources, as it “represents a viable and effective alternative to conventional systems, which require more expensive infrastructure and complex, “the CSIC.
Already the subject of a patent application, this technique combines the latest advances in genetics and micro-electronics and is a step forward in the development of methods for detection of HIV “rapid, portable and low cost.”
“By working with microelectrodes, the sample volume necessary to make the analysis can be reduced to about microliters (millionth of a liter), which increases security analyst and facilitates subsequent removal of debris generated,” says CSIC researcher Francisco Javier del Campo, referring to the additional advantages of biosensor. “The sensor is especially suitable for field trials with many samples, and that can be performed with portable equipment by unqualified personnel,” he stresses, in turn, Antonio Pedro Villaverde, Department of Genetics and Microbiology at the UAB.
In addition, the use of allosteric enzymes, which are changing its enzymatic activity in the presence of certain substances with which they interact, as used in this biosensor, opens new opportunities for detection of viral infections and clinical veterinary interest, as FMD, swine fever and hepatitis B and C, the researchers said.
The biosensor based performance in a genetically modified enzyme, in combination with a network of microelectrodes that detect electrochemically the products of this enzyme. In the presence of anti-HIV antibodies, enzyme activity is triggered, allowing easy discrimination of the infected samples that are not within an hour, a time that the researchers expected to shorten in the future by improving the design of microelectrodes, CSIC said.
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Evolution of self-esteem in the life
Self-esteem increased steadily during the life (on average) but begins to decline around the age of retirement, according to a study published in the Journal of Personality and Social Psychology.
Ulrich Orth, Kali H. Trzesniewski and Richard Robins led the study with 3.617 Americans aged 25-104 years.
Self-esteem was lowest among young adults and increased steadily to a peak at the age of 60 years and begin to decline. On average, women had lower self esteem than men.
Education, income, health and employment status had an effect on self-esteem, especially with increasing age. Those who had higher incomes and better health (taking of age) tended to maintain their self-esteem with age. The researchers hypothesize that this link is explained by the fact that the wealth and health contribute to feelings of being independent and able to contribute to the family and society.
People of all ages who were in satisfactory relationships tended to have higher self-esteem. But although they maintained a higher self-esteem throughout their lives, they also knew a decline after 60 years.
The midlife is a time when work, family and romantic relationships are relatively stable, say the authors. As life advances, people occupy more positions of power and status, which promotes self-esteem. In contrast, older people are experiencing changes in roles such as the empty nest, retirement and job skills obsolete more than a decline in health.
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A possible cause of sudden infant death
An insufficient production of the neurotransmitter serotonin may cause the syndrome of sudden infant death, according to a study published in the Journal of the American Medical Association (JAMA).
During sleep, serotonin plays a role in regulation of respiration, body temperature and heart rate, the researchers said. An insufficient level of serotonin may reduce the ability of babies lying on their stomachs to react normally in the event of asphyxiation waking up and turning the head.
The sudden death syndrome, which occurs in the first year of life, is the third leading cause of mortality among baby. Following a campaign initiated in 1994 to encourage parents to sleep babies on their backs, the death rate from SIDS has decreased by over 50% in the United States.
Dr. Hannah Kinney of Harvard University and colleagues analyzed tissue samples from brainstem of 41 infants died of sudden death, they were compared with samples from babies who died from other causes. The serotonin levels were lower by 26% among infants who died from sudden death and levels of an enzyme necessary for the synthesis of serotonin were also below 22%.
A study published in 2008, conducted with rodents, had indicated a possible role of serotonin in the syndrome of sudden death.
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Supplements of vitamin D could prevent Crohn’s disease
Supplements of vitamin D could help in the fight against Crohn’s disease, an inflammatory bowel disease, the authors consider a study published in the Journal of Biological Chemistry.
The results of this study indicate that vitamin D may contribute to disease, “said John White of McGill University said that people living in the northern hemisphere, less sunny, are particularly vulnerable to disease.
Dr. White and colleagues from McGill University and the University of Montreal found that vitamin D directly intervened on beta-defensin genes 2 and NOD2 play a role in the immune system and have been associated with disease Crohn.
People whose family members are suffering from the disease would be well advised to ensure they have adequate levels of vitamin D, says the researcher. It’s something easy to do since you have to get supplements in pharmacies, “he says.
Vitamin D is mainly produced by the body in response to exposure of skin to sunlight. Vitamin D deficiency is more common in various studies, mainly in winter. The power supply can hardly meet the daily requirement of vitamin D.
The Tai Chi and Yin and Yang
Eastern philosophies focus many of their assumptions about the concept of complementarity, balance between opposing joint force or, in the language of the same, Yin and Yang. These opposing forces are present in all that exists, and complement giving the whole a sense of unity.
Because tai chi is one of the expressions of Eastern wisdom, obviously not free from this logic of opposites. In fact, the Yin and Yang are the alma mater of tai chi, and all the exercises in this discipline have a quota of opposites interact.
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Tai-Chi to reduce diabetes
The Tai-Chi has been associated with the prevention of diabetes by more than one occasion, and we all know that physical activity related to meditation and emotional well-being are associated with this practice can have a positive effect on symptoms of the disease.
The data are accumulated, and this time the researcher Liu Xin, University of Queensland has worked with a group of people suffering from Tai-Chi to understand the effects of this practice on the disease, discovering that it may be useful to combat .
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