Cyanide binds to the ferric ion on cytochrome oxidase and abruptly halts the electron transport chain and aerobic respiration, producing profound toxic effects. Cyanide also preferentially binds to ...

Foxglove, a flowering plant long feared for its toxicity, became an unlikely source of a widely studied heart drug. Digoxin, a cardiac glycoside associated in modern medicine with Digitalis species ...

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NEW ORLEANS, LA—Treating patients with symptomatic rheumatic heart disease (RHD) with digoxin appears to modestly reduce the risk of all-cause mortality or new-onset or worsening heart failure (HF), ...