Venous insufficiency is a problem with the return of blood from the legs to the heart. Its symptoms are tingling, heavy legs, edema and varicose veins. Causes include genetics, hormonal changes, a sedentary lifestyle, age, and being overweight. Preventive and curative measures include exercise, leg elevation, compression stockings, diet, cold showers, avoiding prolonged standing or sitting, applying creams and oils with venotonic plants. The most used plants are horse chestnut, butcher's broom root and red vine. Venous insufficiency: causes, symptoms and preventive and curative measures