The powder has since been tested and was found to be safe, a source told The Post — but the anonymous sender is still being sought in a criminal investigation. The letters, sent to the Upper East Side ...

Baby poop can come in many shades, including orange, yellow, tan, or brown. The color and texture may provide hints to your baby’s diet or health. See a doctor if their poop is white or grey. Poop ...

An infant’s poop typically changes color and consistency during the first few days, weeks, and months of life. A wide range of colors is usual. In infants, the main reasons for changes in stool color ...