Caffeine in coffee seems to shorten the end points of chromosomal DNA, known as telomeres, while alcohol has been found to increase the telomere length, say researchers.
Now Prof. Martin Kupiec said that for the first time they've identified a few environmental factors that alter telomere length, and they've shown how they do it.
Bubbles and Brews - Alcohol Facts
There is more to alcohol than mere intoxication. Infamous because of its social abuse but indispensable because of its many industrial applications.
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Telomeres, made of DNA and proteins, mark the ends of the strands of DNA in our chromosomes. They are essential to ensuring that the DNA strands are repaired and copied correctly.
Every time a cell duplicates, the chromosomes are copied into the new cell with slightly shorter telomeres. Eventually, the telomeres become too short, and the cell dies. Only fetal and cancer cells have mechanisms to avoid this fate; they go on reproducing forever.
![Coffee, Caffeine and Your Health]( "Coffee, Caffeine and Your Health")
Caffeine sensitivity decides if coffee is good or bad for you. However drinking coffee preferably without caffeine may be good for your health.
An earlier study had revealed that the longer your telomeres are, the longer you will live - dependent, of course, on not dying accidentally, from disease or from lifestyle factors.
The researchers set out to expand on a 2004 study by Nobel Prize-winning molecular biologist Prof. Elizabeth Blackburn, which suggested that emotional stress causes the shortening of the telomeres characteristic of aging, presumably by generating free radicals in the cells.
The researchers grew yeast cells in conditions that generate free radicals to test the effect on telomere length. They were surprised to find that the length did not change.
They went on to expose the yeast cells to 12 other environmental stressors. Most of the stressors - from temperature and pH changes to various drugs and chemicals - had no effect on telomere length.
But a low concentration of caffeine, similar to the amount found in a shot of espresso, shortened telomeres, and exposure to a 5-to-7 percent ethanol solution lengthened telomeres.
The study has been published in journal PLOS Genetics.
Source: ANI
Coffee, Caffeine and Your Health
Caffeine sensitivity decides if coffee is good or bad for you. However drinking coffee preferably without caffeine may be good for your health.
Advertisement
An earlier study had revealed that the longer your telomeres are, the longer you will live - dependent, of course, on not dying accidentally, from disease or from lifestyle factors.
The researchers set out to expand on a 2004 study by Nobel Prize-winning molecular biologist Prof. Elizabeth Blackburn, which suggested that emotional stress causes the shortening of the telomeres characteristic of aging, presumably by generating free radicals in the cells.
The researchers grew yeast cells in conditions that generate free radicals to test the effect on telomere length. They were surprised to find that the length did not change.
They went on to expose the yeast cells to 12 other environmental stressors. Most of the stressors - from temperature and pH changes to various drugs and chemicals - had no effect on telomere length.
But a low concentration of caffeine, similar to the amount found in a shot of espresso, shortened telomeres, and exposure to a 5-to-7 percent ethanol solution lengthened telomeres.
The study has been published in journal PLOS Genetics.
Source: ANI
Coffee
Coffee is a great beverage prepared from the seeds of Coffea plant. Different types of coffee include espresso, cappuccino, Café latte, frappe, iced coffee.
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