What Causes Toenail Fungus?
Reviewed: Dr. Gromatzky
5. Age
Toenail infections can and do occur in people of all ages, but they are more likely to develop in people that are older. There are various reasons for this, one being reduced circulation of blood to the feet. People whose immune system is weaker than usual are also more likely to develop a fungal infection of the toenail.
Peoples’ nails also become more brittle as they get older. This brittleness can cause cracks to appear in the nails, and fungi will sometimes get into these cracks. In relative safety, these fungi can take hold and proliferate, resulting in an infection.
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