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  1. Health & Medicine

    Stopping cachexia at its source could reverse wasting from cancer

    The immune protein interleukin-6 helps regulate body weight. Blocking it in the brain could restore appetite and muscle mass, a study in mice hints.

    By Kristel Tjandra
  2. Climate

    Earth keeps breaking global heat records

    How hot could it get? In the first edition of Science News’ Extreme Climate Update, we look at how high temperatures could soar.

    By Carolyn Gramling
  3. Health & Medicine

    Getting drugs into the brain is hard. Maybe a parasite can do the job

    Researchers want to harness the parasite that causes toxoplasmosis to ferry drugs, but some question if the risks can be eliminated.