In Ayurvedic medicine, the herb ashwagandha is used to treat conditions such as fatigue and memory loss. But it also aids your body when it is besieged by stress. Ashwagandha is an adaptogen that helps to bring the body’s physiological processes into balance and enhances the body’s ability to cope with stress. It contains chemicals that help to calm the brain, reduce swelling (inflammation), lower blood pressure and boost the immune system. It is available online and at health-food stores.