Food safety is important for everyone – but it’s extremely important for individuals with a weakened immune system, which makes them especially vulnerable to foodborne illness.The immune system: its importanceYour immune system is vital for your health because it defends your body against infectious organisms and other invaders. Spread throughout your body, the immune system is made up of a network of cells, tissues, and organs that work together to protect you. When your immune system senses disease causing organisms and other substances that invade the body, it responds to fight them off. As people get older, their immune systems ...