Medications

Pfizer says it's blocking use of drugs for lethal injections

Pharmaceutical company Pfizer said Friday it was blocking use of its drugs in lethal injections, which means all federally-approved drugmakers whose medications could be used for executions have now put them off limits.

Medical research

Study offers new insights into the mechanics of muscle fatigue

A study in The Journal of General Physiology examines the consequences of muscle activity with surprising results, indicating that the extracellular accumulation of potassium that occurs in working muscles is considerably ...

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