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Archaeologists used high-tech tools to uncover ancient underground pits near Stonehenge. The find may offer insights into Britain’s Stone Age culture.
Antibodies are one of the major players in the immune system’s attack against germs.
Learn what they are, what they do and how they keep us healthy.
A large, long-term study in kids has linked getting too little shuteye with mood and behavior problems.
Sometimes the body’s immune system works too well, like a smoke alarm that blares every time you cook pizza. The results can range from uncomfortable to potentially life-threatening.