There are a number of factors into why a person may develop a fungal nail infection and many causes. There are different treatment options depending on how you retracted it. Many of these causes are preventable when taking precaution, however an individual who is more susceptible due to hereditary reasons or poor immunity could have higher likelihood and risk factors.
Individuals with diabetes are far more likely to develop a nail fungus. This is due in part to their weaker immunity and in some cases, poor circulation. In addition, if these individuals also have little to no feeling in their toes, this can greatly increase their chances of developing a fungal nail and can also mean that treatment will much more difficult.
Accidents happen and they can have harmful repercussions. If the nail or toes have experienced trauma, this may result in a nail fungus. Injury to the toes or toenails often will begin in the form of a bruise which is discolored however, overtime you may notice the discoloration has not dissipated and continues to keep growing that way, this is how you can identify if it is a fungal nail.
Sweating is a natural occurrence for human beings. Some of us sweat more than others and this can attract many atmospheric things to attach to us, more importantly fungi. If your feet sweat profusely or simply have clammy hands or feet this can surely attract an infection. Fungi thrive off of warm and moist environments, meaning your sweaty feet are great places of habitat for them. Additionally, if you tend to wear closed toed shoes often and/or thick socks, and you have this problem than you are likely to attract fungus.
A few other factors where individuals could develop a nail fungus is in the use of artificial nails, visiting public swimming pools, public showers, gym locker rooms, and even old age. If you fall into any of these or the above categories, it is important to practice preventative measures to avoid developing a nail infection.