Dr. Catherine N Okoronkwo M.D.

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• What Causes Blood in Semen?

  What does blood in semen mean?Blood found in urine or stool can be a cause for concern. Similarly, when a man comes across blood in semen, then it can make him anxious. The medical term for blood found in semen is hematospermia or hemospermia. Fortunately, blood in semen does not always indicate a...

• The Human Heart: Function, Chambers, and Location

  IntroductionThe human heart is a part of the cardiovascular system that is situated in the middle of the chest between the lungs. Its exact location is slightly positioned to the left and behind the sternum (breastbone). The size of the heart is approximately the size of your fist. Its function...

• Smile to Look Younger!

  Want a youthful appearance? Then just smile, or so says a new study. In one recent study, people guessed that people who were smiling in photos were younger than those who had neutral or angry expressions. This is another study which adds to the evidence that facial expression has an impact on the...

• Bladder Spasms: the Causes and Symptoms

  As the urinary bladder fills, the sensation to release urine gradually builds up. Few people have a continuous urge to ease the bladder while experiencing pain. This situation, called bladder spasms, may lead to wetting one's pants. Bladder spasms are caused by the muscles of the bladder contracting...

• Resistance Training Is Key for Flexibility

  A study presented at the American College of Sports Medicine's annual meeting in Baltimore has shown that resistance training also may be good in improving flexibility and strength. “According to the study, resistance training can improve the flexibility as well as or better than stretching," says...

• What Is a Bruise?

  IntroductionBruises, also known as contusions, appear due to certain types of trauma. Bruises are formed when the body’s soft tissues are injured due to bumps, twists, fall, or blow to the body. This injury causes tiny blood vessels and small veins to break and release red blood cells (RBCs)...