[lemma=which] [□=□] □
[lemma=which] [lemma=□] □
[lemma=which] [tag=□] □
Another 34 % did moderate exercise ( that is , they exercised at a level which caused a moderate increase in heart rate or breathing ) while 13 % did vigorous exercise ( that is , they exercised at a level which caused a large increase in heart rate or breathing ) . Hydrocephalus is an abnormal accumulation of cerebrospinal fluid in the ventricle cavities of the brain , which causes the ventricles to enlarge and the pressure inside the head to increase . I am ready to believe that in the nineteenth century two sets of conditions existed which caused the advantages of economic internationalism to outweigh disadvantages of a different kind . ) Geographical and archaeological evidence points to a magnitude 7 + quake which caused the Mississippi to flow north around Cahokia . Because of the link between the sharing of unsterile syringes and the transmission of the human immunodeficiency virus ( HIV ) , which causes the acquired immune deficiency syndrome ( AIDS ) , and other blood-borne pathogens such as the hepatitis B and C virus , increasing access to sterile injection equipment is a key factor in the prevention of these viruses among IDUs , their sexual partners , and their children .