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7. Very Thick Nails
Image Source: lueracraft.us
Lately, your nails, and especially your toe nails are looking rather thick and hard. In more cases than not, hard toe nails indicate that you are dealing with some sort of fungus under the nail bed, especially if you are also noticing some degree of discoloration. In other instances, thick nails indicate conditions like psoriasis, which is a skin disease that can affect the nails as well – and if you are also dealing with nails that are not only thick, but also brittle, then you might want to get checked for diabetes.