10 health question and answer is urgently needed! !

1. People should have their eyes examined every two years after the age of 50.

I always feel that everyone is mumbling, which shows that your hearing has begun to decline.

3. If you have irregular black or brown spots on your scalp, be careful whether you have melanoma that may be fatal.

If gum disease is not treated in time, it will not only lead to tooth loss, but also cause heart disease and other problems.

Eating fish twice a week can reduce the risk of heart disease.

6. Regular physical exercise helps to reduce the risk of breast cancer in women.

7. Men's knee joint is more seriously damaged than women's, so more men have to have knee joint replacement surgery.

8. If you have had a fracture experience as an adult, you should be careful, because you have a higher risk of pelvic rupture.

9. Weight gain, diabetes and family history can all lead to foot diseases.

10. When the waist circumference of women reaches 89 cm and that of men reaches 102 cm, the threat to health will increase obviously.