Lottery and scratch-off games have long captured the imagination of players with various theories and superstitious beliefs. The latest one picking up steam on social media is the “white-line theory.” ...

One of the most prevalent theories when it comes to scratch-offs is the “white line” hypothesis—i.e. buying the tickets on a roll of scratch-offs that are on or near the bold white line on a roll.

White lines on nails, medically referred to as leukonychia, are a common occurrence and are usually harmless. These lines can appear as small spots, horizontal bands, or lengthwise streaks, often ...