Mom goes to the bathroom for 45 seconds and returns to find her toddler on a treadmill

12:00pm PDT - September 27th, 2019    samuel little - Mashable

If you've been around little kids for even a second, you know their greatest threat is often themselves. Madeline Valdivia was reminded of that yesterday, when she left her 1-year-old, Samuel, on his own for under a minute just to use the bathroom, and came b…