your feet might not be in the right position or you can loose balance. the one i hate the most is tripping on pebbles.
Depends. I've been skateboarding for over 10 years now and I sweat like crazy. Street skating involves more muscle work which equals more sweat. But it all depends on how long you skate or run.
falling off
According to WoodwormTreatmentHQ there it is caused by the damp conditions which wood can be exposed to. There's a link in more information in the related links.
Information about Bleeding Diathesis can be found on the wikipedia article which has reliable information and the causes. Some of the causes for bleeding diathesis are excessive bleeding and a lack of clotting.
You can find more information about the causes of mudslides on the mudslide Wikipedia page. You can also find a list of causes on the FloodSmart website.
One can find information on the causes of heart palpitations by asking one's doctor about what the causes are. One can also ask a nurse or go to a nearby clinic to get more information.
You can find articles and information about the causes of depression at the WebMD website. Once on the page, type "Causes of Depression" into the search field at the top of the page and press enter to bring up the information.
Disruption is an event which causes an "unplanned, negative deviation from the expected delivery ... according to the organization's objectives".[1] The objectives of information security include avoidance of disruption in this context.
One can find information on what causes hiccups on several websites. The best information can be found on Kidshealth. Yahoo and for chronic hiccup cases use (GARD) Generic and Rare Diseases.
Which of what causes hallucinating? You have not provided enough information to answer your question. Post the question with the options of hallucinogens.
an iceberg