Post-traumatic stress disorder (PTSD) -HealthQM

What Is Post Traumatic Stress Disorder (PTSD)?

Post-traumatic stress disorder is a mental disorder that can develop after someone experiences a traumatic event, such as a natural disaster, sexual assault, or violent attack. Symptoms of PTSD can include flashbacks, nightmares, and feelings of being scared all the time. PTSD can be very difficult to treat, and often requires professional help [1]. 1-…

Types of Eating Disorders-HealthQM

What Are the Different Types of Eating Disorders?

Eating disorders are classified according to the eating behavior such as limiting or exceeding the amount of food eaten, unhealthy purging of the eaten food, or the combination of both. The different types of eating disorders are: Anorexia Nervosa Bulimia Nervosa Binge Eating Disorder Avoidant/Restrictive Food Intake Disorder (ARFID) PICA Rumination Disorder Orthorexia Nervosa Other…

What Is the Difference Between Sedatives and Anxiolytics?-HealthQM

What Is the Difference Between Sedatives and Anxiolytics?

Sedatives are drugs that reduce excitation and irritability, while anxiolytics are drugs that treat anxiety disorders such as social disorder or panic disorder. However, excitation and irritability are symptoms of anxiety disorders, and therefore, both are used for the treatment of anxiety disorders. 1. What Is Excitability and Irritability? Excitation is a physiologic transition from…

What Happens in the Brain When You Smell? HealthQM

How Does Smell Get from the Nose to the Brain?

Odorous substances in the air are processed through the following steps: 1. What Part of the Brain Is Most Responsible for Smell? There are several and important parts of the brain that are responsible for smell; however, the olfactory bulb is responsible for transmitting the olfactory (smell) information from the olfactory nerves to the brain…

Mood Disorders HealthQM

What Is a Mood Disorder?

A mood disorder is an emotional state or mood characterized by inconsistency or swings in expressing emotions such as sadness, irritability, aggressivity, impulsivity, and excessive happiness. In the US, it was estimated that about 21.4 % of adults would experience a mood disorder in their life [1]. In the UK, it was estimated that 1…

Energy Drinks HealthQM

Are Energy Drinks Bad for You?

Energy drinks are one of the most consumed dietary supplements that are popular among men between the ages of 18-34 years and teens between the ages of 12-17 years. They contain large amounts of caffeine, sugars, taurine, B vitamins, glucuronolactone, carnitine, ginseng, Yohimbe, and bitter orange. Although energy drinks may enhance alertness and improve reaction…

Insomnia

What Is the Biology of Insomnia?

Insomnia is a common sleep disorder characterized by difficulty falling asleep that can last for days or weeks (short-term insomnia) or for more than 6 months (chronic insomnia). Insomnia can be caused by biological factors such as anxiety, depression, sleep apnoea, genetics, and chronic conditions. It can also be caused by environmental factors such as…