Dr. Walter P. Griffey M.D.

What is yawning?Usually, yawning is associated with boredom, fatigue, and tiredness. Yawning is also very common in animals, such as dogs, monkeys, snakes, and carnivores. Yawning is also associated with numerous superstitious beliefs.In humans, yawning is considered as a purposeful non-verbal...

What is atherosclerosis?Atherosclerosis is also known as arteriosclerotic vascular disease or ASVD. It is a particular type of arteriosclerosis in which an artery wall gets thickened as an effect of attack and accumulation of white blood cells and rupture of the intimal smooth muscle cell producing...

Fungal infections are common in hair, nails, and surfaces of the skin. Nail fungus infects toe and finger nails and is more common in toe nails when compared to fingers. Also referred to as onchomyosis, this condition may become very painful affecting the whole nail. It usually starts as a small...

Normally one loses up to 100 strands of hair per day, which is completely normal. Many people lose their hair as they grow older, which is not meant to be alarming. In most cases, losing a few strands here and there may not make a noticeable difference in the scalp.There are different types of hair...

What is ferrous sulfate?Ferrous sulfate is a form of iron that can be obtained through supplements. Our bodies mostly get iron through the different types of food we consume. Iron becomes a part of myoglobin and hemoglobin once it is inside the body. Myoglobin enables the storage of oxygen in...

A new brain imaging study has shown that meditation, even a brief instruction, helps to reduce the intensity of pain. Most of the participants of the study reported to have a reduction in pain after four 20-minute sessions of mindfulness meditation instructions....