Chicago - Prior to Christmas, many questions arise in this era, such as for example if the poinsettias are actually poisonous, or that so pure are the flakes of snow. To answer each of these questions, several researchers are conducting studies to reveal whether it is simple myths or not.
Poinsettias
The Poinsettias are not as harmful as the myth. Although they may cause some skin rash by touching them or nausea by chewing or eating the leaves, are not fatal to humans or their pets. The poinsettias belong to the same botanical family that plants that produce latex, so some people may cause allergy.
Dr. Rachel Vreeman, a pediatrician at Indiana University who has studied the myths as a Christmas gift, cited a study where more than 20.000 for poisoning reports involve contact with poinsettias.
"In none of these cases there were no deaths or serious injuries. In fact, more than 95% of the cases did not require medical attention," he added.
Its name in English (poinsettias) comes from Joel Poinsett, a U.S. diplomat who carried the plant from Mexico to the United States in the 19th century.
The purity in the form of flakes of snow
flakes of snow are formed when the humidity in the atmosphere freezes and sticks to particles of dust or soot, even of germs. Brent Christner, a microbiologist at the University of Florida, has found that bacteria commonly found in plants are "groupers" of ice found in abundance in populated areas, snow peaks sterile and even in the Antarctic.
Then Catch snowflakes with the tongue is a bad idea? "It is better that the yellow snow," said Christner.
The number of bacteria in the snow is probably about 100 times smaller than the same amount in bottled water, he said.
Depression
The Same as add joy to the Christmas season - great expectations and time with the family - it can also be stressful. Depression in this time is real for many people who have suffered some loss or absence of a loved one, and the winter can trigger a depression real albeit temporary. This is linked to the lack of light in winter, and some scientists believe that the affected people produces more melatonin, a hormone that regulates sleep.
Studies suggest that affects 6% of the population in the United States and higher rates in the Scandinavian countries.
However, there are more suicides in spring than in winter. No one has been able to say why.
Weight gain
The verdadsobre win pounds at this time depends on whether your glass of champagne is half full or half empty. According to one study, an average American goes up a little more than 5 pounds between Thanksgiving (end of November) and the New Year. According to two other studies, the increase is between 1 and 2 pounds.
Dr. Vreeman, Indiana University, said that the problem is not the kilos that went up during the Christmas season, but this becomes a pattern that year-on-year is accumulated.
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