The enlarged tongue was most likely because he kept biting his tongue. He might have been biting his tongue because he was nervous all of the time.
from biting it
* your mom did...
No they don't
No, it has no effect on them. That is an old wives tale.
To protect your teeth and prevent you from biting your tongue.
yes, at times, but, over all, no, it is not likely...
* Double the infection * Ripping a hole in your tongue * More metal banging around your teeth enamel * Talking funny * Biting your tongue accidentally
Biting on aluminum foil is only bad if you have fillings made of amalgum. Because your mouth is wet, biting on the foil will cause an electrolytic reaction and the rsultant electric current causes your nerves to react. It's like putting your tongue across the terminals of a 9v battery. 9v battery on tongue = surprisingly pleasureable. Biting on aluminum foil = OUCH !
What can be done to stop biting a tongue in a persons sleep will depend on the reason for biting the tongue. If it is because of seizures, medications will need to be taken. Bruxism is another causes and a dental plate can be made to stop the tongue biting. Other disorders may be the issue and might need addressed. Talk to a doctor to find the actual cause of the tongue biting.
If you bite the tongue hard enough to damage or sever the central muscle/ligament it will retract into the back of throat and choke you.
If it doesnt have any bleeding,nothing ,just clean mouth with antiseptic.