Department of Medicine, R.N.T. Medical College, Udaipur, India, conducted a placebo-controlled study on the effect of ginger on platelet aggregation. It was concluded that- a single dose of 10 g powdered ginger administered to CAD (Coronary Arterial Disorder) patients produced a significant reduction in platelet aggregation.

The radioprotective effect of the hydroalcoholic extract of ginger rhizome, Zingiber officinale (ZOE), was studied on mice.Pretreatment of mice with ZOE reduced the severity of radiation sickness and the mortality at all doses. The ZOE treatment protected mice from GI syndrome as well as bone marrow syndrome.

Heart and circulatory problems - Cornell Medical School researchers found ginger to be as effective as aspirin. (See N.E. Journal of Medicine, 1980). Numerous studies have supportedthis finding since 1980. In addition, it was found that ginger's antioxidant constituents strengthened the cardiac muscle, while studies in Japan and India have shown that ginger lowers serum cholesterol levels by interfering with cholesterol biosynthesis.

Circulatory-system research on ginger has discovered that its compounds, called eicosanoids, are responsible for favourable action on healthy circulation and the inflammatory processes common to migraine headaches and autoimmune disorders such as rheumatoid arthritis. Scientists have demonstrated that ginger possesses a structure and biochemical action similar to aspirin. Research has indicated that daily doses of ginger may decrease the blockage in clogged arteries and strengthen the cardiac muscle.

According to the British medical journal Lancet, ginger seems to be more effective than some standard drugs in treating motion sickness and dizziness. They said that volunteers who took ginger were able to endure artificially created seasickness in a mechanical rocking chair 57% longer than those who used Dramamine.

Most of the research on ginger has focused on its potential as an antinauseant and digestive tonic. Germany's Commission E (the German government's expert committee on herbal remedies) has approved the use of ginger for prevention of motion sickness and treatment of indigestion. Some studies indicate that ginger may help control nausea caused by surgery, motion sickness and pregnancy.