A Korean woman is at a medical consultation. She has asthma and her doctor is holding a puffer. The patient is listening intently as the doctor explains how to use the device correctly. The two are ...

Many stockmen use multi-dose syringes when vaccinating cattle, and most of these are pistol-grip action to make it easier to administer the vaccine. Heidi Carroll, South Dakota State University ...

Menstrual cups are devices that collect menstrual blood internally. Unlike tampons, they do not absorb blood but collect it in a silicone or soft plastic cup. With proper use, they are safe to use.