Lemon and limes

According to the American Heart Association, eating higher amounts of citrus fruits may lower stroke risk for women. Those who ate the highest amounts of citrus had a 19% lower risk of ischemic stroke than women who consumed the least
Lemons and limes have an intense sour flavor but are popular when used in combination with herbs and spices for many sauces, salad dressings, marinades, drinks and desserts
Combating cancer - An excellent source of the powerful antioxidant vitamin C, lemons can help fight the formation of free radicals known to cause cancer
Maintaining a healthy complexion - when eaten in its natural form or applied topically, can help to fight skin damage caused by the sun and pollution, reduce wrinkles and improve overall skin texture. 
Vitamin C plays a vital role in the formation of collagen, the support system of your skin. Preventing asthma - The risks for developing asthma are lower in people who consume a high amount of certain nutrients, one of these being vitamin C. Iron deficiency is one of the most common nutrient deficiencies in developed countries and a leading cause of anemia. Pairing foods that are high in vitamin C with foods that are iron-rich will maximize the body's ability to absorb iron. Boosting the immune system - In general, foods that are high in vitamin C and other antioxidants can help the immune system battle germs that cause a colds and other disease