9. Infertility.
“We have a complex system that controls reproductive health,” she says. “When we don’t take in enough calories, our hormones may become imbalanced and without the proper balance of hormones, pregnancy can’t occur.”
10. Moodiness.
Beal says studies show caloric restriction can lead to moodiness and irritability. If you’re ever experienced “hanger” when you’re in need of a meal, you likely know how this feels.