Is Leukemia Genetic Inherited Vs Acquired Mutations?

is leukemia genetic inherited vs acquired mutations

Most leukemia cases are not inherited. The great majority of leukemias arise from gene mutations acquired during a person’s lifetime — changes in blood-forming cells that happen after birth and are not passed to children. A smaller share of cases occur in families with an inherited predisposition, and even then, inheritance usually raises risk rather … Read more

Why Do Babies Suck Their Thumb? The Science Behind It

why do babies suck their thumb

Thumb sucking is one of the earliest self-soothing behaviors a baby develops, and it starts before birth. Ultrasound images have captured fetuses sucking their thumbs as early as the first trimester, which tells us this is a built-in reflex rather than a learned habit. After birth, the behavior continues because it meets real needs: comfort, … Read more