Ginger has a very long history of use in various forms of traditional/alternative medicine. It has been used to help digestion, reduce nausea,help fight flu and common cold.
Ginger can be used fresh, dried, powdered, or as an oil or juice, and is sometimes added to
processed foods and cosmetics. It is a very common ingredient in recipes.
Ginger may also relieve nausea and vomiting after surgery, and in cancer patients undergoing chemotherapy.
Ginger appears to be effective at reducing the day-to-day progression of muscle pain, and may reduce exercise-induced muscle soreness.
There are some studies showing ginger to be effective at reducing symptoms of osteoarthritis, which is a very common health problem.
Ginger has been shown to lower blood sugar levels and improve various heart disease risk factors in patients with type 2 diabetes.
There is some evidence, in both animals and humans, that ginger can lead to significant reductions in LDL cholesterol and blood triglyceride levels.
Studies suggest that ginger can protect against age-related damage to the brain. It can also improve brain function in elderly women.
The active ingredients in ginger can help lower the risk of infections.
Reference: https://www.healthline.com/nutrition/11-proven-benefits-of-ginger