Only if you aren't getting proper nutrition and enough rest/sleep. Otherwise, no. Exercising more than 4 days a week is not harmful to your immune system nor does it make you more susceptible to disease.
8 Answers · Health · 11/11/2016
...get fat on a plant based diet, you get fat after years of very bad nutrition, dont worry about it youll NOT get fat
3 Answers · Health · 14/09/2016
... struggles with anorexia, you need to educate yourself on food and nutrition. If you consume more calories than you burn, you will gain weight. ...
4 Answers · Health · 08/08/2016
... aren NOT overweight, so don't focus on weight loss. Focus on nutrition. If you are eating healthy, nutrition-packed foods...
5 Answers · Health · 02/07/2016