Video: What you should know about germs

Your immune system constantly defends you from harmful germs like bacteria and viruses, but your body also hosts trillions of helpful microbes—your microbiome—that live on your skin, in your gut, and elsewhere. These “good” germs help digest food, make vitamins, protect you from harmful invaders, and help regulate inflammation.

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Side Effects of Erectile Dysfunction Medications

Are all erectile dysfunction medications the same and have the same side effects? My husband says they are and that all of them will give you headaches, stomach upset, and blurred vision. I think they are like any other medications — you might have to try a few before you find the right one for you. What do you think?

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