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Sildenafil (marketed as Viagra for erectile dysfunction and Revatio for pulmonary arterial hypertension) inhibits phosphodiesterase type 5 (PDE5), the enzyme that degrades cyclic guanosine monophosphate (cGMP) in vascular smooth muscle [1]
Increase consumption of glutathione-rich foods such as broccoli and lean meat
Published safety data from clinical trials report no significant adverse effects across all studied doses and durations
The contrasting strip results may therefore reflect differences in strip design, dilution level or both
Immunohistochemical demonstration of glutamate dehydrogenase in the postnatally developing rat hippocampal formation and cerebellar cortex: comparison to activity staining
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