Nail fungus which is also known as onychomycosis.
It is often characterized by inflammation, swelling, yellowing, thickening or crumbling of the nail.
But it can be cured with natural remedies for as less as a month or two.
# How To Use Vinegar
Make a mixture of Apple Cider Vinegar, both of equal portions.
Then soak tour toenails for a period of 30 minutes daily.