On the Internet, some sites outside the U.S. use the compound designation milliard/billion to designate the number 1 000 000 000. In science, the names of large numbers are usually avoided completely by using the appropriate SI prefixes. Thus 10 9 watts is a gigawatt and 10 12 joules is a terajoule.
Blood thinners like warfarin (Coumadin) can make you bleed more easily -- including from your gums. Some anti-seizure, blood pressure, and immune-suppressing drugs make the gums grow too quickly. The new gum tissue is more delicate and may bleed when you brush it.
Common Side Effects of Warfarin: Bloating/gas; An altered sense of taste; Nausea, vomiting, and mild stomach pain. Warfarin is known to cause bleeding, which may be serious or fatal.