3 Correct the mistakes in the sentences. 1) Sometimes I play video games by himself, but I also invite friends over to play.
2) If you don't know what is wrong with youself, then ask a doctor.
3) We thought to myselves, this has been the best day we have ever spent together!
4) She did it by itself.

Some people believe that to be healthy you should only avoid different bad habits, like smoking or drinking alcohol. I want to add some more habits, that can affect our health. Such habits like eating junk food, overeating, skipping meals can cause various diseases. That is why I believe that healthy diet is the basis of healthy lifestyle.
The only way to stay healthy and to keep fit is going in for sports and enjoy it. One can become a stronger, healthier and happier person. I think that proper sleep, regular exercises and healthy diet are really the best way to live.

Ex 1

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6

1

5

7

2

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Ex 3

1 Age, sex, heredity and race are some of the factors that might increase the risk of getting a heart disease.

2 The older you get, the more likely you are to develop heart disease.

3 Men develop heart diseases earlier than women do. The gap begins to narrow down at around the age of 65 after women experience menopause.

4 Black Americans are more likely to have a heart disease than white Americans. Black Americans have higher average blood pressure levels.

5 Some of the effects of smoking are clotting, constricted arteries and reduction of oxygen supply.

Smoking is a greater coronary risk factor in women than in men because it eliminates the natural protection women obtain from hormone estrogen.

It is worth giving up the habit because coronary risk declines rapidly within a few years of stopping.

6 High in fat foods are better for eliminating coronary risk factors.

30 percent of fat of your calories is recommended daily.  

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