Walnuts 'combat unhealthy fats' The new superfood? Eating walnuts at the end of a meal may help cut the damage that fatty food can do to the arteries, research suggests. It is thought that the nuts are rich in compounds that reduce hardening of the arteries, and keep them flexible. A team from Barcelona's Hospital Clinico recommend eating an ounce (28g) of walnuts a day. The study, which appears in the Journal of the American College of Cardiology, also showed walnuts had more health benefits than olive oil. The researchers recruited 24 adults, half with normal cholesterol levels, and half...