A product claims that it will boost your immune health. Which of the following would be the BEST response to such a claim? A. The only way to boost your immune health is to lose weight and sleep more. B. Vaccinations are the only thing that research has shown can benefit an individual's immune system. C. Multiple research studies have proven the value of many different foods and vitamins on your immune health. D. Products are not proven to increase immune health, but research shows that a healthy lifestyle will benefit your immune system Please select the best answer from the choices provided.