Tadalafil, the generic name for Cialis, is a popular erectile dysfunction treatment that lasts much longer than Viagra. We interviewed more than 20 sexual health experts, conducted a focus group, surveyed over 300 people, and read dozens of academic journal articles to better understand how tadalafil works and who might benefit from it most.
We hand-tested twenty-one OTC hearing aids to find the best devices on the market. Learn how top over-the-counter brands performed and which ones to avoid.