Are there any tests that can determine what levels of heavy metals are in a person's body, particularly mercury? If testing showed high levels, what can be done to reduce them?

I drink an average of three cups of coffee per day. Is that too much?

If I take large vitamin doses, can I improve my intellectual functioning? Can I protect myself from developing dementia?

Can you become addicted to chocolate?

What is the relationship between carbohydrates and triglycerides?

Which is healthier: eating little bits throughout the day or eating three meals a day?

Is it true that the so called Mediterranean diet can make my brain healthier?

I have irritable bowel syndrome (IBS). My main symptoms are bloating, gas and diarrhea. What dietary advice can you offer?

I’ve been on antacids for 2 years. I have a lot of gas and my stools are not properly formed. What’s happening?

I have diabetes, and am looking to control my carb intake. I want to eat more fruits and vegetables as part of a healthy diet. But how do I know if I am over doing it and getting too many carb calories?

I’m overweight and have a problem with binge eating, although I never purge. I see a nutritionist and started an exercise program, but is there any medicine that can help?

I heard that there are 2 new prescription diet pills available? Do they work? Are they safe?

I have been diagnosed with gallstones. What foods can I eat to help them dissolve so I don’t have to have surgery?

I am concerned that drinking a cup of coffee in the morning will slow my body from absorbing the iron. If I drink a cup of coffee at 8:30 a.m., is it relatively safe to take my iron pill around 10:30 a.m.? Or should I stop drinking any coffee?

My doctor wants me to lose weight so my blood sugar can go down. What type of food, fruits and vegetables should I eat? I’m 5’8” and I weight 262 pounds.

Is it safe to take cod liver oil during pregnancy?

How much is a safe level of calcium to take daily so I do not get kidney stones?

When I think of the serving sizes suggested for a healthy diet, I don't think I can eat that much at a meal and be comfortable. What happens if children are encouraged to eat more than they are comfortable with … even healthy foods?

I am interested in a plant-based diet. Do you have any information on this?

I'm 48, and weigh 240 pounds. I'm on a weight-loss plan but I'm struggling with what is my best options for breakfast.

My friend has stage 3 kidney disease. His doctor asked him to eat foods low in potassium. So far, we can’t find potassium in the nutrition information available on food labels. Is there anywhere he can get a list of foods low in potassium?

My doctor found that my blood levels of vitamin D were low. She gave me a prescription for 50,000 international units of vitamin D to be taken every two weeks.

I am tired a lot, and have been tested for all the usual suspects. I eat fairly well, and get enough rest each night. My doctor told me I was “a little low” on B-12. Could this be the real cause of my fatigue?

I am a 52-year-old man with a family history of heart disease. My doctor says my blood pressure and cholesterol are great. My latest LDL cholesterol was 98 and my HDL was 45.

I have heard different opinions about whether too much sugar makes a child too active? What is the latest opinion? Does the sugar give them too much energy?

My daughter is 4’7”, and weighs 132 pounds. She also has high blood pressure and reflux. I’ve been trying to cut back on sugar drinks and fried food. Can you suggest any other changes to her eating plan to help?

My son is a picky eater. He’s a little underweight for his age, and also allergic to milk. He likes hot dogs,

I know that there is a health benefit to eating “healthy fats” like olive oil. But I’ve heard that these are only unsaturated fats when raw; when you cook them, they become saturated fats. Is there any truth to this?

I’m at a steady healthy weight, but do use a lot of sugar in my hot tea. I usually drink from 2-4 cups a day, with 2 teaspoons of sugar per cup. Other than possible weight gain, are there any other drawbacks?

My son is 4'7' and weighs 83 pounds. His predicted height is 5'5'. We are a vegetarian family who eat eggs, dairy and soy. Could this affect his growth negatively?

I’ve heard that cooking vegetables makes them lose most of their vitamins and minerals. Is this true?

I eat fairly well, but I don’t take any vitamins or supplements. Should I be?

I have a high iron blood level. Should I be on a special diet?

I always feel cold, even in the summer. It's so bad now that it interferes with my work and enjoyment of life. What might cause me to always feel so cold?

I take 8000 Internation Units (IUs) of vitamin D and drink milk daily. Why would I still have low vitamin D levels?

How dangerous is yo-yo dieting?

I recently had my gall bladder removed. Is there a special diet I should follow?

Can taking folic acid or other vitamin supplements increase my risk of developing prostate cancer?

Does diet play a role in the development of arthritis?

In your opinion, what are the best breakfast/protein shakes to use as a breakfast alternative? I know I should eat a healthy breakfast but I do not have the time.

I was recently diagnosed with Irritable Bowel Syndrome (IBS). I exercise to manage stress but don't want to lose any more weight. How can I build a dietary plan?

Is there any evidence that the dietary supplement Osteo Bi-Flex helps keep arthritis in check?

In addition to calcium supplements, can foods that contain calcium lower the effectiveness of thyroid prescription medication?

My cardiologist has me on a low-saturated fat diet because of my high cholesterol. How does that translate into grams for my Daily Recommended value? I calculated that for a 2000 calorie diet...

I have low vitamin B12 and Vitamin D levels. Is there any condition that would cause low levels of both with a normal diet?

I have a triglyceride level of 300 mg/dL. I know a common recommendation is to eat healthier and to add fruit to my diet. Do sugars from fruit have any impact on the triglyceride level?