Dr. Kathryn Rensenbrink MD

Recommended Articles

• Weighted Hula Hoops May Help to Burn More Calories

  Workouts with hula hoops may help to burn as many calories as step aerobics, boot camp, or very brisk walking, according to a new study sponsored by the American Council on Exercise (ACE). In this study, 16 women between 16-years-old and 59-years-old were trained on a 30-minute aerobics session...

• Are Spas Safe?

  The word spa derives from the history of a small village in Belgium, where Roman soldiers would relax in local hot mineral springs to alleviate body aches. Bath techniques, similar to the ones the Romans took advantage of in Belgium, have been used to cure many ailments in different...

• Does Regular Exercise Affect Life Expectancy?

  A recent study published in, The Lancet, shows that daily light exercise of 15 minutes per day can increase the life expectancy by three years and lower the risk of death by 14%. This is especially true in the case of people who are inactive. In this study, the researchers compared inactive people...

• Oliguria

  Oliguria is a medical term used when referring to a decreased urine output. Oliguria is considered when a person’s urine output is less than 400 mL in a 24-hour period. When it comes to infants, oliguria occurs when the urine output is less than 0.5 mL/kg/hr for 24 hours. Anuria is the absence...

• What Is Ferrous Sulfate?

  Ferrous sulfate is an essential mineral and a type of iron used for the treatment of iron deficiency anemia (IDA). When a person lacks iron, symptoms such as tiredness, shortness of breath, and decreased physical performance may be experienced.  Low levels of iron in the body can be treated by...

• 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...