The Focus on MSN11 个月
If you’re biting your cheek a lot, it could be your brain trying to send a warning
People habituated to biting their cheeks will find white residue in their mouth, which is nothing but excess keratin produced ...
CBC.ca1 个月
Students can 'make a real difference' with cheek swab at UNB stem cell event
People who wish to join the stem cell registry only have to swab the inside of their cheek to collect a sample, which Canadian Blood Services will then test. If a match is found, then the person ...