Evolution and Human Sexuality

Evolution is defined as the change in frequency of certain traits across generations. The accumulation of new traits may lead to new characteristics or even new species over time. This means that, with time, enough changes can lead to the formation of a new species. Evolution is a continuous, extremely gradual process that has created…

The Neurobiology of Romantic Love

Romantic love is one of the most universal human experiences. More than 20 years ago, biological anthropologist Helen Fisher studied 166 societies and found evidence of romantic love in 147 of them.1 According to Richard Schwartz, associate professor of psychiatry at MacLean Hospital, romantic love must be wired into our basic biological nature due to…