Dr. Gregory Todd Greenwood M.D.

What are leukocytes?White blood cells (WBCs) are also called as leukocytes. They protect the body from infections by fighting foreign invaders such as viruses, bacteria, fungi, or parasites. Phagocytes and lymphocytes are forms of white blood cells (WBCs).Phagocytes engulf foreign particles like...

Kidney stones are a condition that affects around 15 percent of the world's population. For reasons unknown, the condition's prevalence has increased over the last 30 years. Kidney stones more often affect men than women. What are kidney stones?Kidney stones or renal lithiasis is the formation of...

Urinary tract infections (UTIs) are common worldwide, among both men and women, and they can occur at all ages. However, women are more likely to develop urinary tract infections than men. A UTI is caused by a bacterial infection in the urinary tract. When bacteria enter the urinary tract, they are...

What is polydipsia?Polydipsia is the medical term for excessive thirst. It is usually regarded as one of the initial symptoms of diabetes.It is normal to feel thirsty, especially after workouts and strenuous activities. It is quite important for people to drink the recommended amount of water per...

UltrasoundIt is actually a diagnostic procedure. High-frequency sound waves are transmitted through the body's tissues that are inaudible to the human ear. This creates videos or photographic images of the internal structure of the body after the echoes are recorded and transformed.Many diseases and...

GlomerulonephritisGlomerulonephritis is the inflammation of kidney filters called glomeruli. These filters are made up of tiny blood vessels that help remove excess fluids, waste from the bloodstream, and electrolytes. This condition can happen on its own or may occur as part of chronic diseases,...