Ginger has been well researched and many of its traditional uses confirmed. It is well known as a remedy for travel sickness, nausea and indigestion. It is a warming remedy, ideal for boosting the circulation, lowering high blood pressure and keeping the blood thin in higher doses. Ginger is anti-viral and makes a warming cold and flu remedy. Ginger is a powerful anti-inflammatory herb and there has been much recent interest in its use for joint problems.