It is not a real bone it is just a slang for either finding something to be humorous or a tingling sensation after bumping your body on something.
Alex will be healthier than before changing his schedule because running is very healthy for the body and gaming is usually not.
First question - all of the above
Second question - puberty ( not quite sure )
<span>Diabetes is a disease where there is too much sugar in the blood. Type 1 Diabetes is where the pancreas does not produce enough insulin. Risk factors, which are anything that increases your chance of getting a disease, for Type 1 are mostly unknown, but it is usually diagnosed as a child. Type 2 Diabetes is where the body has a difficult time processing glucose .Risk factors for Type 2 are being over 45, overweight, having a parent or sibling with Type 2 Diabetes, being inactive and being African American, Hispanic/Latino American, or American Indian.</span>