Dr. Catherine Brittain Callahan M. D.

Ever heard of the saying, "Don't judge a book by its cover"? You might want to rethink it. This new study that includes more than 100 college students argues that looking at a person's appearance can help understand a few of their personality traits. The college students that participated in the...

Experts are of the opinion that the type of food an individual eats may affect the looks of the person. Many of the components in the diet may aid in chronic inflammation, a condition that expedites aging. Thus, eating certain foods may make the person look much older than he or she actually is....

Empathetic behavior and body language are both associated with genetic variations, according to a study published in, Proceedings of the National Academy of Sciences. Thus, a smile or nod of empathy may explain the type of genes the individual has. Individuals who display more empathetic behavior...

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...

Brown fat is a health-friendly fat that helps the body to burn calories, instead of storing the energy as fat. Typically, adults do not have a lot of brown fat. A new study suggests that heart hormones may stimulate the production of brown fat cells. Researchers conducted a study on animals and...

Tips to prevent the flu:Get flu shots – Flu vaccinations still remain the best way to prevent flu in the season. One should ideally get vaccinated in fall to avoid the chances of getting flu. If one has missed it, try to get the shot in winter. One can chose either a flu shot that contains killed...