Many regions have started recommending, or even requiring, that citizens use face masks when leaving their homes. If you’re curious why we’re now being told to wear a face mask when, previously, we were told not to (unless we were sick), this Sci-Show video explains why:
I’m a runner, and I found it difficult to run with a mask. The main reason is that I run with glasses or sunglasses (otherwise I can’t see where I’m going), and my glasses fog up with a mask on.
I tested a workaround for this, this morning, and it seems to work:

The key is to tape the top of the mask to your face. I used a surgical tape that I bought at a local pharmacy. Just don’t use the very sticky type, it can be a bit painful when you remove it afterwards.
Making a mask
If you’re looking for tips on making a mask at home, here are a couple links to get you started:
What do you think?