Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: Rare flesh-eating bacteria kill boy within days > 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: Rare flesh-eating bacteria kill boy within daysHealth-in-Motion advertisement Other news News Alcohol isn't just hurting your pocket - see what it's doing to your body News Smoking just got a lot pricier - here's the why and how of quitting Lifestyle The purrfect diet for your fat cat Medical When do kids need to go to the orthodontist? Lifestyle 6 solutions to common problems you have with your doctor Lifestyle Can crocodile poo and olive oil prevent pregnancy? From our sponsors Managing diabetes in the workplace Back-to-school with diabetes Discover treatments that can help reduce acne What can I do to reduce or remove acne marks? Live healthier Fact or myth? » Clearing up the confusion around coconut oil Coconut – the 'fruit of life' Can coconut oil really help you lose weight? Experts dish on the high-cal weight-loss tactic. Sobering perks! » 5 tips to avoiding a hangover Can you really be allergic to alcohol? Is giving up booze for a month actually worth it? Many people commit to "Dry January" – but does it do your body any good?