Foot fungus.
By picking or peeling the toenail off.
If you drop something heavy on your toenail, it will kill the nailbed and it will fall off. Usually will grow back eventually.
A cat's toenail may fall off due to injury, infection, trauma, or a health issue like a fungal infection or autoimmune disease. It is important to seek veterinary care if your cat loses a toenail to address any underlying causes and prevent complications.
well you don't really want to get your toenail taken off because it really hurts but it can fall off if you stub it very hard or if you get it stuck under something like a door
The dead nail will begin to detach (and eventually fall off) while a new toenail grows in.
If you tripped and hurt our toe nail and the toe nail is bruised or damaged it could fall off.
Yes, no matter what the cause of the toenail to fall off, it will grow back within several months.
No, typically a person's leg would not fall off for no reason. There would need to be a significant underlying issue such as a severe injury, disease, or medical condition that would cause a leg to detach from the body.
Nothing. It either will completely fall off and grow again or will attach itself on its own.
The new toenail will grow in and the old one will fall off or be pushed along if it is still attached. Go to a doctor if it pushes into the skin or otherwise irritates the toe.
It's not unusual for a toenail to fall off and grow back. If an infection is caught and not treated it may result in death.
If a toenail gets damaged, by a shock, or too short a shoe, it can "die" and a new one starts to grow underneath. Eventually the damaged one falls off. That may or may not be your problem. Check with a doctor.