Babies smack things to explore cause and effect, build motor skills, and enjoy sensory feedback. Here's what's normal and when to pay closer attention.
Football players sniff smelling salts for a quick alertness boost, but the NFL's 2025 rule change and some health concerns are reshaping how common it is.
That voice in your head is doing more than you think. Learn what inner speech is, why it varies between people, and how to manage a critical inner voice.