Often we ignore our pains. Apart from normal cleaning, the feet do not get much attention. But Sidney's expert Kate MacArthur says that the condition of the feet is also known to have serious diseases in the body. Kate is an expert on foot health issues. They say that the feet usually tend to look stuttering, eddy rupture and blister problem. But some signs of swelling or pain in swollen nails, feet may be a sign of serious illness.