Vaccination

Contact-tracing apps could improve vaccination strategies

Mathematical modeling of disease spread suggests that herd immunity could be achieved with fewer vaccine doses by using Bluetooth-based contact-tracing apps to identify people who have more exposure to others—and targeting ...

Health

Saliva can be used to predict excess body fat in teenagers

In addition to helping us chew and swallow, keeping the mouth moist and protecting us against germs, saliva can also be used for early detection of the risk of developing diseases associated with surplus body fat.

Medical research

What scientists can see in your pee

Researchers at the University of Alberta announced today that they have determined the chemical composition of human urine. The study, which took more than seven years and involved a team of nearly 20 researchers, has revealed ...

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