Mark Q. Nguyen

A dark stool refers to a stool that is either black or dark red in color. You may pass dark bowel movements after consuming dark-colored foods or when an injury or bleeding is present in your gastrointestinal tract. If you pass dark or bloody stools, see your doctor immediately to rule out serious...

Hot flashes are one of the most common symptoms of menopause and perimenopause. It is also commonly seen in women with premature menopause and induced menopause.Hot flashes cause women who experience them to suddenly feel overheated, it is usually accompanied by sweating and a red, flushed face. The...

What is Raynaud’s disease?Raynaud’s disease, also known as Raynaud’s syndrome or Raynaud’s phenomenon, is a rare blood vessel disorder described by a French physician named Maurice Raynaud in 1862. In this condition, the blood vessels that carry blood from the heart to other parts of the...

What are inverted nipples?Inverted nipples, also called as nipple retraction, nipple inversion, or invaginated nipple, is a condition in which the nipples point inward instead of out. In some women, nipple retraction can be present at birth. In some cases, the condition may develop due to trauma or...

Walking has many conveniences. As a simple form of exercise, walking doesn't require any expensive equipment or special routine. It offers a number of health benefits, including weight loss, lowering of cholesterol, reducing the risk of diseases, and it improves circulation in the body.Many experts...

Shingles, or herpes zoster, refers to the painful skin rashes caused by the varicella zoster virus. In this condition, a band of rashes usually appears in a small area on the face or body. This infection is very common in people who have a weak immune system due to various reasons. Older adults are...