Please help! what happens to your body if you eat too much junk food and no calcium?

Calcium intake: As a female who is passing thru middle age, your bones will be impacted the most. Osteopenia will evolve then osteoporosis; new guidelines say we should not rely on calcium supplements but get our 800-1000 mg of daily calcium from food; you can do this by changing your diet: yogurt, soy milk, almond milk, lean meats, other milk, cheese; you can consult AAKP.com Nutrition Counter for calcium mg