Because corrosion is a diffusion-controlled process, it occurs on exposed surfaces. As a result, methods to reduce the activity of the exposed surface, such as passivation and chromate conversion, can increase a material's corrosion resistance.
Foodborne Illnesses Definition: A foodborne illness is an infection or poisoning caused by a bacterium, virus, parasite, or chemical transmitted by food. A foodborne outbreak is an illness event that typically includes two or more people infected from a common food source.
1 Diet is an important risk factor in coronary heart disease. 2  Food-related risk factors include obesity, high blood pressure, uncontrolled diabetes and a diet high in saturated fats.  A low-saturated fat, high-fibre, high plant food diet can substantially reduce the risk of developing heart disease.