Which foods and exercises can a person prevent osteoporosis?

It can prevent osteoporosis include:

     -having adequate food;
    - taking sun;
     -in exercising;
     -by having a proper lifestyle.

It is essential to have an adequate intake of calcium to protect against osteoporosis. (Vegetable, dry fruit, dairy ...)

Physical activity is the key point of prevention of osteoporosis. In fact, regular physical activity will act directly on bone mineral density. (Walking, running, gymnastics, aerobics, step ...)

Stand or kneel behind the child and wrap your arms around his or her waist. locate the navel with one or two fingers in the middle of the child’s abdomen. just above the navel and well below the lower tip of the breastbone

Tobacco would be the answer . good luck!