If you’re looking into a new central vacuum system, you can learn the ins and outs of how it works, pros and cons and more here.

This bacteria plays a fundamental part in maintaining the pH of your vagina. It’s a pretty delicate eco-system but sex can change that.

How does pH make-up work? Although it looks like magic, pH make-up simply comes down to clever cosmetics science. The product uses a dye that then reacts to the pH levels on your skin’s surface.