Below is some more information about taking part in a trial that we are funding with the Alzheimer's Drug Discovery Foundation, looking at whether an existing drug called tadalafil may help to treat a ...

Still, these pills and products have become increasingly popular with consumers. Unlike Viagra and Cialis (tadalafil), they don't require a prescription. They are also less expensive and often include ...

Unlike other ED medications, such as Viagra® (sildenafil) and Levitra® (vardenafil), which work for four to five hours per dose, Cialis® (which contains the active ingredient tadalafil ...