Many people say that increasing Vit D intake can protect against flu.
/johnny
They also say that diet pills work and that Extenze will make your tallywhacker bigger. Unless you have a deficiency in some area, an overabundance of input only seems to work until it doesn't work. JRFreeper has it right - reduce exposure to reduce risk - the best the others can do is possibly bolster your system for a more successful fight. If all the rmedies that are touted worked, we'd have a disease-free, perfectly-weighted, well hung male population and our women would be absolute images of health and happiness...
I take 8,000 IU of vitamin D daily. I haven't been sink in over five years: