All of the above because lack of nutrients lead to weak immunization, which cause a lot problems. For example, it could cause a malfunction of the body system or parts such as the eyes and ears. If that happens, it could permanent damage to your organs and etc. Lack of nutrients in your body could also cause a dental problems and infectious disease because lack of food means having poor mechanical digestion that also leads to have a poor health. The infectious disease is the other thing. Once your immunization weakens, the disease enter your body. Your white blood cells and other cells couldn't fight against it. As a result, the disease could mean permanently or death. Also, lack of of the good source could also do one thing, lack of sleep. Lack of sleep could cause all the problems. Like blurry vision, concentration issues, and etc. But the hearing problems and visions problems is the one of the huge problems. Because beside of the lack of nutrition, it could relate to the disease that person had. The outcome of it is the person become blind or deaf.
