Having nourishing foods rich in specific vitamins can strengthen your immune system and help you resist illnesses. According to the old saying, "An apple a day will keep the doctor away," there is some truth to it after all. If you take a vitamin or supplement, you are unsure how...

With ageing, our immune response capability decreases, which results in more infections and more cancer. As life expectancy has increased in developed countries as well, the incidence of age-related conditions has increased. Even though some people age well, many studies have found that the elderly are more likely to contract...