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Alcohol, and guide, the expert: With a rate 1.4 you are not able to drive safely

HOW much YOU CAN DRINK BEFORE driving? After the incident in Rome, in which were killed two girls sixteen to invest in a twenty year old with a bac of 1.4 grams

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Alcohol, and guide, the expert: With a rate 1.4 you are not able to drive safely
HOW much YOU CAN DRINK BEFORE driving? After the incident in Rome, in which were killed two girls sixteen to invest in a twenty year old with a bac of 1.4 grams per litre, is good to have clarity about the laws, and remember how important they are to respect the rules and prudence, especially in view of the christmas festivities and new year in which to celebrate you drink a little more. What is the blood alcohol level When we talk about blood-alcohol level means the concentration of ethanol present in the blood. As long as you drink at home, it is a personal choice that falls on their own health, but when you drink and then you put the guide, then that's different, because the consequences fall on other people. It is estimated, in fact, that in Italy, the 40% of road accidents is linked to the intake of alcohol or drugs What the law says for young people and adults Currently the law establishes differences based on age. "Under 21 years and novice drivers," explains Gianni Testino , president of the Italian Society of alcohol therapy unit and director of SC Pathology of Dependencies and Hepatology ASL3 Ospedale San Martino, Genoa, italy - the law provides that the alcohol content of the guide is zero and if a young man is trapped by the forces of order, even with very low concentrations of alcohol in the blood taking penalties". Above the age of 21, the limit is 0.5 grams per litre. The amount of alcohol and bac, The bac is assessed through the use of the breathalyzer, a device that, through the exhalation 'made to measure indirectly the amount of alcohol that a person has in the blood. The question that many people ask is how much you can drink to stay below the threshold value permitted by law. "Scientifically," explains the president of Both - is impossible to answer this question because there are many variables but to get an idea is enough to know that each unit of alcohol contains about 12 grams of ethanol that is found in the average glass of beer 330 ml at 5°, in a wine glass 125 ml by 12°, or in a cocktail from the bar, or even in approximately 40 ml of spirits. We estimate that even with 2-3 alcoholic drinks like the ones you drink during a dinner with aperitif and wine we can get to 0.5 grams per liter". What happens when you drink alcohol 12 grams of ethanol are distributed in the blood: "A small part is excreted with the breath, another part is excreted in the urine, but most is eliminated via the liver," explains Testino. "A healthy liver takes about an hour to dispose of it. If, however, there are problems such as fatty liver or other diseases, the time of elimination increases and can exceed 90 minutes". Not all know, then, which, by law, bars are required to display the table with the rates alcolemici: "compulsory, but often posts in A4 format and in black-and-white, and almost none in the note," warns Smart. Age, weight, and food: the variables in the game But make all the difference in the absorption of alcohol are also other variables. "If these twelve grams are drunk on a full stomach, and if you are overweight - the precise Testino - the absorption will be slower and the peak alcohol level in a longer period of time. In women, then, the capacity of the liver to eliminate the alcohol is 50% less compared to the man while under the age of 20 the various systems of elimination of alcohol from the liver are still immature and, therefore, in the young, even low concentrations of alcohol remain in the bloodstream for much longer". The symptoms beyond The safe limits prescribed by the law, what happens when you drink and drive? "When alcohol is consumed," explains Emanuele Smart , Director, national Observatory on alcohol Institute of Health and Center world health organization for research on alcohol - there is an alteration of the psycho-physical, which is dose-dependent. In general, already at low dosages increases the sense of their capacity and reduces the perception of risk. For example, under the 0.5 grams per liter there is a reduction of side vision to about 20%, and lose a few hundredths of a second in braking and when you take the intersection can not see the side just because there is the field of vision also reduced as a function of age because the under 20 years the body is not able to 'remove the alcohol'. This means that it would be better not to drive". If it exceeds the level of 1.4 grams/liter instead, What happens, when the blood alcohol level comes in at 1.4 grams/liter as that of the twenty-year-old that has engulfed the two girls from Rome? "It is a very high rate: 1,4 grams/liter are approximately eight to nine glasses of alcoholic beverages, and at that age creates serious consequences because of not correctly evaluate the distance, you lose side vision and motor coordination, especially if there was even the intake of a cannabinoid. In short, a bac thus renders them incapable of driving properly and increase the probability of an accident," says Smart. What to suggest then to children but also to adults in view of the toast of the end of the year? "If you drink just three alcoholic beverages a - suggests the expert of the Iss - wait at least an hour to drink before you get started guide, or if you can't wait all this time, you do the driving to someone else."

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