Is It Gross to Blow out Birthday Candles

The video explores the tradition of blowing out birthday candles and its potential health risks. A study by Clemson University scientists investigated the bacteria transfer from blowing on cakes. They found that blown-on icing had significantly more bacteria than untouched cake, though the health risk remains low unless the blower is sick. The video suggests using common sense and being cautious if the blower is ill.

What factors might influence the amount of bacteria transferred to the cake when blowing out candles?

What precautions does the text suggest regarding blowing out birthday candles if the person is sick?