Low Calcium Intake - Consumption below 300 mg per day (which is equal to one glass of milk) is considered low. Low (or no) Vitamin D in Your Diet - Vitamin D comes from sunlight and foods such as egg yolks, fortified milk and cereals, and some types of fish. High Caffeine Intake - More than two to three cups of caffeinated coffee each day is considered high if you have a low calcium intake. Tobacco Use - This includes current use as well as past use of tobacco. Alcohol Use - More than 7 oz. of alcohol per week can slightly increase the risk of hip fractures. Low Activity - Your activity rate is considered low if you do not walk or exercise regularly.
