Answer:
hair: regularly wash your hair, hair treatment is also advised to avoid parasites like lice
nails: keep your nails short and clean if they must be long, they must be cleaned regularly as long nails harbour germs and dirt.
skin: Do not use a bleaching cream and have your bath at least twice a day, put on neat clothes and use body sprays or deodorants
eyes: do not read for very long moments without exercising your eyes by looking up, sideways and down. Do not use an eyedrop without a medical practitioner's prescription.
ears: do not use sharp objects to clean your ears, avoid places that the noise levels are too high and avoid using an earpiece for long hours while it's loud and plugged in