It is illegal in most countries to posses marijauna either for personal or distribution purposes. However, the Netherlands allow possession of Marijuana (Cannabis) in small amounts. In fact, the herb can be purchased in what they refer to as coffee shops. But selling or buying marijauana anywhere except for the specialized shops is illegal. Portugual allows personal consumption of 2.5 grams a day. A person is only able to have no more than 10 daily doses on his or her person or risk facing trafficking charges. Mexico allows for a small amounts for person use. Uruguay does not have any laws regarding consumption which makes it leage for personal use, however there are laws regarding trafficking. The U.S. has mixed feelings regarding the useage, whereas California allows it use only with a letter from a licensed, practicing doctor.