As men age, the likelihood of erectile dysfunction (ED) becomes more common. At age 40, around about 4 in 10 men may struggle ...

Several observations from preclinical and short-term clinical studies support a role for sildenafil in the treatment of heart failure patients. The following discussion briefly considers each of ...

It’s important to take Cialis only as prescribed because its effects can last several hours — in some cases, even up to 36 hours — and could result in negative side effects if you take it ...

Cialis (and generic tadalafil) can stay in your system for up to 36 hours. It also takes Cialis and tadalafil anywhere from 30 minutes to 6 hours to take effect. Whereas you can feel the effects ...