Wearing expired contact lenses
Don't wear expired contact lenses in order to save money, because even if cleaning and disinfection, the lenses and the lens box will still left a lot of bacteria, which will easily lead to vision loss or inflammation of the cornea, what's worse, it can also cause permanent blindness.
Eating out-of-date foods
Although some not long overdue food can be eaten, milk or foods rich in protein should be eaten out within the warranty period.
Piercing in a small shop
Newly pierced ears still have some living skin cells and can't heal wounds within 6 weeks. It is very easy to provide breeding grounds for bacteria and viruses. If a small shop can't provide follow-up protection, please change another one.
Long interval between two medical examinations
The examination frequency depends on your age, health history and lifestyle habits. Some people check a couple of years no problem, but the girls over the age of 25 should maintain to once a year.
Eating much pills when headache
Even it's no effect after eating painkillers; you should not eat another one. Or it not only will make the body to adapt the drugs, but also the headache will become more intense.