While it is easy and fast to grab something and go before or after a workout, it is one of the worst things you can do. Fast food contains a ton of sugar and does not provide with nearly enough energy to last as a healthier option would provide. The fast food will add fats and sodium in your body. This can put your body at a bigger risk of diabetes, high blood pressure, and obesity in the long run. The link below tells the truth about fast food and what it does to your body.
https://www.livestrong.com/article/536504-the-effects-of-eating-junk-food-on-exercising/
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