This video segment, adapted from NOVA, documents a ballerina's experience with a potentially deadly eating disorder: anorexia nervosa. Research suggests that a brain chemical called serotonin plays a prominent role in regulating appetite—a key factor in eating disorders. The disruption of serotonin
When there is a chemical imbalance in the body, such as during stress, endocannabinoids are released. They bind to the matching receptors, regulating the activity of the nerve cells. This allows the body to counteract the imbalance. Authors: ZDF/Terra X/J. v. Kalkreuth/M. Richter-Jähring/D. da Cruz
Depression, anxiety disorders, schizophrenia, eating disorders, and addictive behaviors are some examples of mental disorders, which affect your mood, thinking, and behavior for a sustained period of time. The stigma around mental health can sometimes make people afraid to reach out for help or supp
In this video segment adapted from NOVA scienceNOW, learn about obesity and how both genetics and behavior play a role in its development. Obesity researchers Sadaf Forooqi, Stephen O'Rahilly, and Jeffrey Friedman discuss the physiological basis of appetite regulation, including the roles of the hor
When children become teenagers, hormonal changes shift their circadian rhythm – they get tired later. Because schools usually don't adapt to their new natural sleep cycle, they often sleep less on weekdays, affecting their memory, emotional well-being, and health. If we want teens to learn and thriv
May was mental health awareness month. Even though we are late to posting this, we hope this video about depression can still help raise awareness. Sometimes, the signs of depression are not so obvious. For example, unstable mood, not being able to fall asleep, or losing appetite. Want to know how t
Did you know that people who love sweet food tend to be more friendly, while people who love spicy food tend to be more of a risk-taker? Apparently, the type of foods that you prefer could relate to your personality. Writer: Michal Mitchell Script Editor: Rida Batool Script Manager: Kelly Soong
Our ability to sense, understand, and control emotions is known as emotional intelligence (EI) and is considered critical to human thriving. For centuries, we thought that emotions and cognition were two separate things. Today we know that the two are constantly interacting. The most relevant model
