Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxic > 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: This is why your vanilla or cinnamon flavoured e-cigarette is toxicHealth-in-Motion advertisement Other news Diet and nutrition 9 common mistakes people make when it comes to weight loss, according to a celeb trainer Sex Is a chlamydia vaccine on the horizon? Medical Does having a hysterectomy put women at higher risk of developing depression and anxiety? Medical WATCH: Scientists develop vaccine to help stop cat allergies Medical Vitamin E oil might be cause of vaping-linked lung injuries Medical Could you be having a heart attack? Live healthier Heart health » 5 women share exactly what it feels like to have a heart attack 'I felt like I had a pill stuck in my throat.' Diet & Nutrition » 8 benefits of gherkin juice that will make you want to drink some ASAP Goodbye, salt craving.