Knowledge CoRneR 4 U

1- It takes about 20 seconds for a red blood cell to circle the whole body.
2- It’s been proven that people can lessen reactions to allergies by laughing.
3- Laughing lowers levels of stress hormones and strengthens the immune system.
4- Six-year-olds laugh an average of 300 times a day. Adults only laugh 15 to 100 times [...]

Our teeth are very important part of our body, so keep them healthy is necessary for us.
At present teeth whitening become very popular. There are so many methods for teeth whitening.
Discoloured or yellow teeth can have impact on person’s smile and self-esteem.
Causes of teeth Darkening:
Causes of teeth Darkening are drinking coffee, wine ,tea and soda. [...]