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How to take your pulse
Learn two ways to take an accurate pulse, or heart rate.
How well do face masks protect against COVID-19?
Face masks can help slow the spread of coronavirus disease 2019 (COVID-19). Learn about mask types, which masks to use and how to use them.
Debunking COVID-19 myths
Some information you come across about COVID-19 may be out of date or false. Learn about COVID-19 myths so you can bust them when you see them.
Herd immunity and COVID-19: What you need to know
Get the facts about coronavirus and herd immunity.
COVID-19: Long-term effects
Learn about the possible long-term effects of COVID-19.
Jaw surgery
Jaw surgery corrects irregularities of the jaw bones and realigns the jaws and teeth to improve the way they work and it often improves appearance.
Intraoperative magnetic resonance imaging (iMRI)
Find out how neurosurgeons use intraoperative magnetic resonance imaging (iMRI) during brain surgery.
How you hear
Your ears enable you to gather and interpret sounds from the world around you.
Joint protection for people with hand arthritis
Joint protection — photos showing joint protection techniques to avoid hand arthritis pain.
Guide to different tick species and the diseases they carry
Learn about different tick species and some of the diseases they may carry.
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