When the weather turns bad, the clouds in the sky darken, and the wind blows raindrops in your face, it’s that time again: the season of colds and flu. It strikes the average adult two to four times per year and as a result, respiratory tract illnesses alone were responsible for 18% of all doctor’s notes for sick days in the first half of 2017. There are people who get caught by every cold and flu outbreak – and seniors in particular are affected by this. Prevention would be possible in many cases! Here you can read about the connection there may be between zinc deficiency and vulnerability to infections and how you can easily prevent nagging colds.