A fly regurgitating digestive juices.
A fly does some of its digesting outside its body before it even eats any food.
The health of your teeth has a major effect on your body.
Cavity-free teeth depend on many factors, and heredity may not be the most important.
Saliva testing is less sensitive than a nasal swab. But in the midst of a public health crisis, in some cases a test with slightly reduced sensitivity may be better than no test at all.
The SARS-CoV-2 coronavirus is currently detected using invasive nasal swabs. But the virus is also present in saliva, potentially paving the way for cheaper, safer tests that people could do at home.
Spit, drool, dribble, slaver, slobber or sputum – saliva has many different names. It also has many different jobs.
Tennis player Venus Williams may have Sjögren’s syndrome but here she was, earlier this year, competing in the Miami Open.
Sjögren’s syndrome has no cure. Here’s how it affects the body and what the future might bring for people with this challenging autoimmune disease.
Gotcha, five times faster than the blink of an eye.
Candler Hobbs/Georgia Tech
How do a frog’s tongue and saliva work together to be sticky enough to lift 1.4 times the animal’s body weight? Painstaking lab work found their spit switches between two distinct phases to nab prey.
How safe is a dog lick, anyway?
AAP Image/Mark Graham
It’s possible – but rare – for a lick from the family pup to transmit bacteria that can cause dangerous blood poisoning.
Blood is just one of the body fluids we need to survive.
Blood bag via www.shutterstock.com.
By learning a bit more about these body fluids, we can develop a deeper appreciation for the beauty and complexity of our own biology.
Overweight children show significantly altered levels of “biomarkers” in their saliva after fasting, new research shows…