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 have swelling just above my groin, in the lower part of my belly. It seems to go away when I lie down, but returns when I stand up? What could it be?

A couple of months ago I started sweating a lot at night. It wakes me up. I need to towel off and change bed clothes. I consider myself a relatively healthy 55-year-old man. What can it be?

I was recently admitted to the hospital with bronchitis. The doctor said I have COPD. I am only 54. How can I prevent it from getting worse?

I’m only 19, but my hair is about 40% gray. Why is this? And what can I do about it?

I have a soft, swollen bump at the outer edge of my anus. I don’t have pain, itching or discomfort. But this bump has stayed the same for over the past several days. What do you think this could be?

My lab report says that blood potassium level is low at 3.4. What does this mean? What affect does this condition have on my body functions?

After a bowel movement I get very weak and have to lie down, and sometimes fall asleep. It takes me several hours to get back to normal. Why would this happen?

Have there been any advances in the treatment of burning mouth/tongue syndrome. I went to a pain management center for it, but they couldn’t help.

A few months back, my son had one white eyelash in his dark eyelashes. Now half of his upper eyelashes are white on one eye. Why is this?

I have sciatica. Is it still OK to run?

How can I tell if a spider bit me?

I have a tingling feeling in my mouth and on my tongue. I've been to a dentist, allergist, dermatologist and general doctor, but no one can pinpoint anything. What could it be?

How do you take care of a blister from a steam burn?

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?

I bruise easily. Most of the time I don't recall bumping into anything. What causes this? Should I be worried?

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 was diagnosed with Idiopathic Pulmonary Fibrosis 2 1/2 yrs ago and am currently on oxygen. I feel fine except when I do too much walking or cleaning without the oxygen. Are there any new or experimental treatments out there?

What is common variable immune deficiency? What type of specialist has the most expertise with this condition?

I recently had a CT scan that found a fibroid in my uterus. What is a fibroid? Can it be a problem?