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Primary osteoarthritis is mostly related to aging. With aging, the water content of the cartilage increases and the protein makeup of cartilage degenerates. Repetitive use of the joints over the years causes damage to the cartilage that leads to joint pain and swelling
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Answer: New York, NY (September 18, 2017) - The use of genetic data to establish a physiological basis for violent or impulsive criminal behaviors is occurring more frequently in criminal trials. However, a new review finds that genetic evidence used in the courtroom is not likely to be effective in convincing judges and juries that the defendants are less culpable for their actions. Evidence for a link between gene variants and criminal behavior has been tenuous. For example, low activity in the MAOA gene, found on the X chromosome, added to a history of childhood maltreatment, has been associated with an increased number of convictions for violent crime. However, the relationship between the gene's activity, environmental factors, and criminal behavior is unclear.
Explanation: ILL HELP THE BEST I CAN WITH STATISTICS 
 
        
             
        
        
        
The answer is B. Underline.
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Nutrition is important in achieving total fitness because it involves eating the right balances of vitamins, minerals and fiber which are essential in maintaining fitness. In addition to physical exercise, nutrition is important in improving overall health and maintaining the right and appropriate weight. When it comes to total fitness, one must take care of the body, mind and spirit and nutrition is part of taking care of the body and mind.