Washington: The tendency to experience hangovers decreases with age,a new study has claimed. Many people are familiar with the uncomfortable morning-after symptoms of excessive drinking,commonly known as a hangover. While it is a common phenomenon,little is known about hangover differences across the lifespan. The new study of hangovers across adulthood has found their severity depends on age. Janne S Tolstrup,a research programme director at the University of Southern Denmark,and her colleagues used 2007 and 2008 information gathered by the Danish Health Examination Survey (DANHES),an Internet-based health survey that asked participants about their diet,smoking,
alcohol and physical activity. Analysis was performed on data provided by 51,645 individuals (24,118 males,27,527 women) 18 to 94 years of age living in 13 municipalities in Denmark.
Gum disease bacteria may worsen arthritis
Washington: Scientists have found that a bacteria responsible for gum disease can lead to earlier onset of arthritis and speed up the progression of the crippling condition. Researchers have found that the bacterium responsible for periodontal disease,Porphyromonas gingivalis,worsens rheumatoid arthritis (RA) by leading to earlier onset,faster progression and greater severity of the disease,including increased bone and cartilage destruction. They also found that P gingivalis produces a unique enzyme,peptidylarginine deiminanse (PAD) which then enhances collagen-induced arthritis (CIA),a form of arthritis similar to RA produced in the lab. The enzyme changes residues of certain proteins into citrulline,and the body recognises citullinated proteins as intruders,leading to an immune attack. In RA patients,the subsequent result is chronic inflammation responsible for bone and cartilage destruction within the joints.
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