True allergies to cow's milk are relatively uncommon. Only 2 to 3 percent of children are allergic to milk, according to the AAP, and almost all of them outgrow it by age 3. (Learn the difference between a milk allergy and lactose intolerance .).
The underscore [ _ ] (also called underline, underbar, low line, or low dash) is a character that originally appeared on the typewriter and was primarily used to underline words.
The battle system in Undertale is turn-based and seems to be heavily inspired by bullet-hell games - in particular, the Touhou series - where the protagonist's SOUL, represented by a red heart, must avoid attacks unleashed by the opponent.