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  2. Viagra may help prevent dementia by boosting brain blood flow

    www.aol.com/viagra-may-help-prevent-dementia...

    In this study, he explained, “sildenafil was associated with a 69% reduction in the risk of developing Alzheimer’s disease.” Tackling lifestyle risk factors for dementia

  3. 5 Must-Know Tips Before Taking Sildenafil 100mg - AOL

    www.aol.com/5-must-know-tips-taking-105700758.html

    Like other medications, sildenafil citrate comes in several doses, ranging from as little as 25 mg a tablet (20 mg when referring to the generic version of Revatio — a medication for a type of ...

  4. Sildenafil - Wikipedia

    en.wikipedia.org/wiki/Sildenafil

    Sildenafil, sold under the brand name Viagra among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. [4] [8] It is also sometimes used off-label for the treatment of certain symptoms in secondary Raynaud's phenomenon. [9] It is unclear if it is effective for treating sexual dysfunction in females. [8]

  5. Viagra: What It Treats & Its Side Effects ( Plus What It Was ...

    www.aol.com/viagra-treats-side-effects-plus...

    Generic sildenafil (and brand-name Viagra) is a medication for the treatment of ED, Raynaud’s phenomenon, and pulmonary arterial hypertension. To understand how Viagra works, we need to look at ...

  6. PDE5 inhibitor - Wikipedia

    en.wikipedia.org/wiki/PDE5_inhibitor

    Chemical structure of sildenafil (Viagra), the prototypical PDE5 inhibitor. A phosphodiesterase type 5 inhibitor (PDE5 inhibitor) is a vasodilating drug that works by blocking the degradative action of cGMP-specific phosphodiesterase type 5 (PDE5) on cyclic GMP in the smooth muscle cells lining the blood vessels supplying various tissues.

  7. Discovery and development of phosphodiesterase 5 inhibitors

    en.wikipedia.org/wiki/Discovery_and_development...

    Sildenafil is a prototype of PDE5 inhibitors that Pfizer launched as Viagra. It was approved by the Food and Drug Administration (FDA) in 1998 as the first oral medicine for erectile dysfunction. Later, in the year 2005, it was approved for the treatment of pulmonary arterial hypertension. [2] Vardenafil and tadalafil were discovered in 1990.

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