Can a good diet really boost your immune system?

In these Covid-19 days, anything that can bolster your immune system has to be good news. Sharon Stephenson goes in search of the truth about whether a good diet really can help you fight off bugs.

There are those who will tell you that an apple a day keeps the doctor away, that you can knock out a cold with a shot of vitamin C and that chicken soup really is good for the soul (and the immune system).

Those people would be correct. But, as with many things in life, it’s more complex than that, says Dr Anna Brooks, senior lecturer and immunologist at the University of Auckland.

“Your food and lifestyle choices make a huge difference to a healthy immune system,” says Anna…

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