Home > Fitness > Sports nutrition Updated 26 February 2014 Flu and sport Forget about "sweating out" a cold or flu. The message is simple: do not train if you have the flu. 0 iStock take a Flexibility test » Receive Health tips » Join Health24 on Facebook » Ask Fitness Expert » Jesse Kriel talks rugby and nutrition 44 killer body-weight exercises for women Forget about "sweating out" a cold or flu. The message is simple: do not train if you have the flu. Strain on an infected heart muscle (myocarditis, one of the possible complications of flu) may lead to paralysis of this muscle. There have been cases (in young sportspeople) where the only way to survive after myocarditis was a heart transplant. A gradual return to exercise after recovering from flu is best. You should generally not exercise for at least seven days after recovering. Sportspeople must be well aware that some flu medication might contain banned substances such as pseudo-ephedrine, caffeine and others. With easy access of athletes to sport events in the Northern hemisphere, an athlete might be exposed to a flu virus not yet in South Africa. The best way to prevent flu is to get vaccinated with a flu vaccine relevant to the part of the world that you're heading for. Men genuinely get more ill from flu, possibly because their immune systems react more aggressively. More in Fitness Can dark chocolate improve your cycling performance? More: FitnessSports nutrition advertisement Read Health24’s Comments Policy Comment on this story 0 comments Comments have been closed for this article. Logout Comment 0 characters remaining Share on Facebook Loading comments... From our sponsors Cipla Nutrition- Dummies Guide to Enduro Prep 4 clever ways to stay active this winter Key signs you need a change in diet Clear your head with fast-acting, long-lasting Sinutab® Nasal Spray Live healthier PMS, depression & suicide » Don't let PMS get you down Symptoms of PMS Diagnosing PMS The link between PMS, depression and suicidal thoughts The symptoms of premenstrual dysphoric disorder (PMDD) are similar to those of PMS, but generally more severe – and could include depression and even thoughts of suicide. A vegan marathon runner » Comrades: don't run if you're ill Fuel your body for the Comrades Running the Comrades Marathon on a vegan diet Donovan Will, who is training to run the Comrades Marathon, speaks to Health24 about his plant based diet and fears of getting injured ahead of the big race.