On the  long scale , one billion is 1 million million, or 1 and 12 zeroes (1,000,000,000,000). The long scale is still used in some European countries (France, for example). The UK switched to the short scale in 1970/71. On the  short scale , one billion is 1,000 million, or 1 and 9 zeroes (1,000,000,000).
The amount of vitamin K in your diet can affect the amount (dose) of. warfarin you need to take. Your medicine dose must be balanced with your. diet to allow the drug to work correctly. A few things to remember when taking warfarin: You want a medium or moderate amount of vitamin K in the foods you. eat.
Warfarin (CoumadinÂ® and others) Warfarin is an anticoagulant drug (âblood thinnerâ) which is taken by mouth. Daily use of warfarin can reduce the risk of stroke in certain patients. For example, many patients with atrial fibrillation (an irregular heartbeat) should be prescribed warfarin.