Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: SA doctors perform second successful penis transplant > 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: SA doctors perform second successful penis transplantHealth-in-Motion advertisement Other news Medical 'I believe it’s easier to live with HIV than being diabetic' Medical 2 HPV shots can prevent genital warts News 5 stories to show how different young and old people are Diet and nutrition What to eat during Ramadan? Here's a complete meal plan Medical Lack of sleep doubles chances of dying from heart disease Lifestyle Laser skin therapy – could this be the answer to your skin problems? From our sponsors WIN a R2000 Skin Renewal voucher! Constipation in women SA's old diesel vehicles continue to fuel allergies Live healthier Dangerous winter sun » Why female students ignore the risks of indoor tanning Can rooibos protect you from the effects of UVB exposure? Skin cancer always a risk – even in winter During winter, the risk of skin cancer doesn’t disappear. CyberDoc talks to us about when to see your doctor about a strange-looking mole or spot. Did you know? » The 5 saltiest foods may surprise you Craving salt? Your genes may be the reason 10 fascinating facts about salt The one thing that fast foods, whether it be chips, hamburgers, pretzels or fried chicken have in common, is loads of salt.