1 / 6You might think this superfood is good for health but it is not. Consuming it in winters can cause discomfort in your nose and sinuses problems which can make your condition worse.2 / 6The sweet stuff contains a lot of sugar, which can make your condition worse. Eating sugar can weaken your immune system and your white blood cells. This may temporarily reduce your ability to fight disease. 3 / 6Not all processed foods are unhealthy, but some foods can be high in salt, sugar, and fat. These types of foods can increase inflammation in the body, which can slow down your body's recovery process.4 / 6Spicy foods can be delicious but try to avoid them if you are sick. These foods contain vinegar or salt, which can increase the inflammation of a sore throat.5 / 6If you have a cough or sore throat, avoid eating crunchy snacks such as nuts, nachos, potato chips, or pretzels. Things like these can make your throat problem even worse.6 / 6When you are suffering from a cold and cough, you should take ginger tea. It has analgesic and anti-inflammatory effects that help fight viruses. Ginger clears congestion, suppresses cough.