Tips to Boost Your Immune System Against the Cold and Flu STAY POSITIVE Thinking positively about the future and in general may be the key to a strong immune system, according to a study. Psychological scientists studied how law students’ expectations about the future affected their immune response. Previous Next Pages: 1 2 3 4 5 6 7 8 9 10 Allergy Allergy & Asthma Asthma Cold and Flu CONSIDER PROBIOTICS COUGHING ENOUGH SLEEP exercise FRUITS GARLIC Immune System Against the Cold and Flu MEDITATE POSITIVE SLEEP VACCINATED VEGGIES 2017-12-31 ash