Osteopenia: Early Signs of bone loss

Lifestyle Causes for weak bones:
1. A lack of calcium or vitamin D
2. Not enough exercise, especially strength training
3. Smoking
4. Too much alcohol
5. Carbonated beverages

Read more at webmd.com
10 Natural Ways to Build Healthy Bones

1. Eat Lots of Vegetables
2. Perform Strength Training and Weight-Bearing Exercises
3. Consume Enough Protein
4. Eat High-Calcium Foods Throughout the Day
5. Get Plenty of Vitamin D and Vitamin K
6. Avoid Very Low-Calorie Diets
7. Consider Taking a Collagen Supplement
8. Maintain a Stable, Healthy Weight
9. Include Foods High in Magnesium and Zinc
10. Consume Foods High in Omega-3 Fats

Read more at authoritynutrition.com