Dr. Richard Dean Purcell MD

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...

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...

What is HIV?HIV is a virus that was discovered in the 1980s. It attacks a person's immune system, causing it to be too weak to fight outside infections. The HIV virus works by destroying white blood cells, called CD4 cells, in the immune system, and progresses through three stages, the last of which...

What is enuresis in adults?Enuresis is the medical term for bedwetting, which is an issue most often seen in young children. However, certain adults also face this problem. In adults, it often becomes harder to talk about something, which is considered as a childhood problem. However, it is...

Hypothyroidism refers to the medical condition in which the thyroid gland is unable to produce an adequate amount of hormones. These hormones are extremely important in various body functions. Low levels of thyroid hormone may result in the characteristic symptoms of hypothyroidism. This condition...

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...