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Anatomy & Physiology

Your Cells Commit Suicide Every Day!

Cells don’t just grow, divide, and stick around forever. Programmed cell death helps sculpt developing tissues, maintain healthy cell populations, control immune cells, and remove cells before they cause trouble. Sometimes the healthiest thing a cell can do is leave.

World of Medicine

Tick Bite Frames Hamburger for Attack!

A tick bite can train the immune system to attack a sugar found in mammalian meat, causing hives, stomach distress, or even anaphylaxis hours after dinner.