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.

Medications

US execution drugs harm breathing, heart function

Oklahoma changed its execution protocols twice this year. State officials have five options for lethal injections, including a new three-drug mixture. That combination was used for the first time Tuesday, resulting in a botched ...

Alzheimer's disease & dementia

Neuronal activity induces tau release from healthy neurons

Researchers from King's College London have discovered that neuronal activity can stimulate tau release from healthy neurons in the absence of cell death. The results published by Diane Hanger and her colleagues in EMBO reports ...

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 ...

Health

Salt diet dangers may be influenced by potassium

The debate about the dangers of eating too much salt has gained a new wrinkle: A federal study suggests that the people most at risk are those who also get too little potassium.