RDA & DRI

I'm concerned about getting enough calcium and am only 34 years old. The other day, I was watching a popular television program and they were discussing osteoporosis in women after menopause. Osteoporosis is characterized by a loss of calcium from bone, especially the spine and deterioration of bone tissue to the point it looks like...

I am a teacher and have assigned a written report on pica. We are having trouble locating articles and just plain information on the subject. Do you have any suggestions? Thank you. There is quite a bit of information on my iron topic. If you have more questions, write back.

What vitamins do you recommend that will give me a boost of energy during working hours? If you want energy and to stay awake, eat more meat, fish or poultry than carbohydrates at breakfast and lunch. If you want to fall asleep, eat more carbohydrates at dinner. Also, don't eat too much food at one...

What nutrients form our bones? Your bones contain mostly calcium and phosphorus which are minerals that give bone its rigidity. Your bones have the breaking strength of cast iron. In other words, as much pressure as it would take to break a cast iron pan, it would take that much force to break a bone...

My question concerns the use of zinc and vitamin C to enhance a man's fertility. My husband and I are currently trying to have a baby and he was advised to supplement his diet with vitamin C and zinc. Is there any scientific merit to this advice and if so, how much of each...

Is there any relationship between strenuous exercise, chromium and insulin resistance? Would you consider a chromium supplement with a reduction in sugar consumption? What are natural sources of chromium? Does magnesium also factor into this? I exercise treadmill/Stairmaster 6 to 7 days a week and blood sugar recently was up to 160 - 190 ranges. Lower carbohydrate/sugar has...

I am doing a practical period in a zoo in Europe. There is a problem with some of their birds because they die of too much iron in their liver. We want to feed the birds a diet that is low in iron. Their diet consists of many different kinds of fruit, perhaps you...

Thanks for the advice. Yes, I meant 50 grams a day and it seemed too much to me, especially since I was pregnant at the time and was not about to take anything experimental. My dad got his medical feelings hurt over the whole issue and is still mad at me. But this is...

Do bananas have more potassium when they are green or less when they are ripe? I eat a banana every morning. The potassium of green and ripe bananas is the same. Bananas and orange juice are very good sources of potassium.

I read where chromium picolinate is recommended for people with hypoglycemia. Can a person vary on the amount taken daily? (i.e. take more when in a bad mood) Also, is there a certain amount of sugar able to be taken that won't affect one's emotional state? Also, is there a recommended diet? Thank you in...