Dr. David L Olson M.D.

Recommended Articles

• What Are Lymphocytes? Low, Normal, and High Lymphocyte Counts

  Lymphocytes are a type of white blood cell produced in the bone marrow. A few lymphocytes enter the bloodstream while some move into the lymphatic system. Having a low or high lymphocyte count can help identify a person's medical condition. Normal lymphocyte counts usually vary from one laboratory...

• What Should I Know About Hangovers?

  Many of us seem to know how to enjoy the night out and avoid the most uncomfortable hangover symptoms. Some of the tips seem to work quite well, while few others are just not enough. Many alternatives leave you feeling worse than normal. Many feel that hangovers are not a huge concern. The reality...

• Vitamin D Deficiency Signs and Symptoms

  What is vitamin D?Vitamin D is an important element to building strong and healthy bones as well as good overall health. It is also a vital nutrient that makes sure that the brain, lungs, heart, and muscles function well.Vitamin D is a fat-soluble vitamin. The body can make its own vitamin D when...

• Should I Take a Folic Acid Supplement?

  Formerly known as folacin, folate is the generic term for both folate and folic acid. It is a B vitamin, which is important for the growth and metabolism of cells. Studies have shown that many people do not get enough folic acid from diet alone.Why do people take folic acid supplements?For pregnant...

• Are Vitamin D-Rich Foods Better than Vitamin D Supplements?

  What is vitamin D?Vitamin D is a unique fat-soluble vitamin that plays a significant role in many aspects of health. Also referred to as the sunshine vitamin, it stands out from other types of vitamins since the body can produce vitamin D through sunlight exposure. With 20-25 minutes of daily sun...

• What Is a Drug Interaction?

  IntroductionAccording to the Centers for Disease Control and Prevention, more than 20,000 deaths annually happen due to unintentional drug poisoning. Moreover, the US Food and Drug Administration stated that four or more prescribed medications are concurrently taken by 40 percent of Americans,...