The Best AR-15 Triggers on the Market. It was one of those hot summer days in Maine where you fought the humidity more than the heat itself. Lying wrapped in two sweatshirts and a heavy shooting jacket, I appeared to be a heat casualty in the making. Sweat was pouring off me, but I didnât care.
Fungal Nail Infections-Cause. Fungal nail infections can be caused by three different types of fungus, alone or in combination. 1  Dermatophytes are a type of fungus that can grow on the skin, hair, and nails. 2  They don't invade the deeper tissues of the body. 3  The most common dermatophyte, Trichophyton rubrum, causes most cases of athlete's foot.
Causes. Fungal nail infections are caused by various fungal organisms (fungi). The most common cause is a type of fungus called dermatophyte. Yeast and molds also can cause nail infections. Fungal nail infection can develop in people at any age, but it's more common in older adults. As the nail ages, it can become brittle and dry.