In olden times sailors used to refer to the four cardinal points of the Earth in terms of colours. One of the cardinal points, South, was assigned the colour red, and the sea that lies South, between Africa and Asia connected to the Indian Ocean, was called the Red Sea. In English language there are four seas that are named after colours. They include the Red Sea, the Black Sea, the White Sea and the Yellow Sea.

What is sedentary occupation? Many of us mistakenly believe that the term “sedentary” refers to people who do not exercise. Scientists now use this term to describe behaviors, which belong to a distinct class, and which is unrelated to lack of exercise. One of the major contributors to the ill effects of sedentary lifestyle is the “couch potato” effect.

...

...

Many of us are self-conscious when we gain extra body weight. The extra fat that puts our body out of proportion prevents us from socializing and living a happy life. The psychological effects can be extreme in some cases. Due to excess body weight we lose self-esteem, and some people suffer from mental disorders such as depression. In an effort to lose weight people often resort to diet pills and other unhealthy ways. The most effective way to stay slim and healthy is to exercise and eat a balanced diet.