Push-ups can reduce symptoms of arthritis.
They can never reduce bone density, they can only reduce your weight. They cannot increase amount of cholesterol, food does that. Although they can increase back pain, the more pushups you do, the less pain you will feel. So D is the correct answer for sure.
You can learn how many calories there are. How much sugar is in the food that's packaged. And you can also see how many vitamins are included in the food your eating. You can also see how much iron is in it. And much more!
Your chest may hurt because you might have something going on your body.
You might have a itchy throat or you might be sick.