Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: Neglected rural pets pose scabies risk for humans > Health-in-Motion Updated 29 September 2015 Don't eat this! Feeling sick? There are some foods that can actually make your symptoms worse. Foods to avoid: Alcohol: Not only does alcohol have a bad effect on your immune system, it can also lead to dehydration. Dairy: Although it is still controversial whether dairy generally worsens mucous production, most doctors still advise against it when you’re sick. Sugary foods: Sugary foods suppress the immune system. Junk food: When you’re sick, your body needs healthy, nutritious food to keep it going and fight the virus. Coffee: Coffee and other caffeinated drinks can deprive your body of fluids, and when you’ve got a cold you need to stay hydrated. 0 More: Daily Dose: Neglected rural pets pose scabies risk for humansHealth-in-Motion advertisement Other news Medical Could grinding your teeth cause headaches? Medical 7 alternative remedies for ED Medical Marathon running may cause short-term kidney injury Medical 60% of women who get breast cancer gene test don't need it Diet and nutrition 5 foods that are dangerous to eat after the expiry date News Health24 Health Challenge: Week 34 From our sponsors How to care for your vaginal flora Live healthier Hello? » SEE: Interesting facts about hearing loss Earworms: Let it go Is it bad to sleep with earplugs all the time? SEE: Do women hear better than men? The reason why men often appear not to be listening could be because they actually can't hear you. Confident smile? » Acidic drinks can harm your kids' smiles The facts on bleaching your teeth Am I taking good care of my teeth? Why are my teeth stained? We know the rules – brush your teeth twice a day and floss to keep them healthy. But, have you ever wondered what causes those stains that sometimes appear?