10.2 Stimulants

Definition: Stimulants are substances that enhance the activity of the central nervous system.
Effects: Increase in blood pressure and heart rate, heightened alertness, and accelerated behavior and cognition.

Nicotine
- Method of Ingestion: Primarily through smoking cigarettes or vaping.
- Health Risks: Associated with numerous health concerns beyond the effects of nicotine itself.
Caffeine
- Sources: Coffee, tea, cola, energy drinks, chocolate, and some medications.
- Daily Usage: Consumed by approximately 90% of the global population.
- Potential Issues: Excessive consumption can lead to intoxication, withdrawal symptoms, and various medical issues.

Source: Extracted from the coca plant found in South America; separated as a drug in 1865.
Use: Historically used by natives for energy; recreational users snort, inject, or smoke.
Dangers: Includes addiction, mental health issues (e.g., psychosis), and overdose.
Popularity Growth: From 10,000 users in the 1960s to 40 million individuals ever tried it today.
Mechanism of Action: Increases dopamine, norepinephrine, and serotonin levels leading to euphoria and extreme stimulation.
Withdrawal Effects: Users experience a crash after effects wear off, which can lead to depression and cognitive decline.

Types: Include amphetamine, dextroamphetamine (Adderall), methamphetamine.
Origins: Initially created in the 1930s for asthma treatment; usage extended to weight loss and academic performance.
Risks: Primarily linked to misuse among college students to enhance performance.
Effects: Similar to cocaine; increases energy, alertness and can lead to intoxication and psychosis.

Popularity: Used by about 5.4% of the population aged 11 and older, with rising trends observed.
Forms: Available as crystals (ice) and powder.
Risks: High potential for addiction, increasing hospital visits, and severe physical and psychological effects.

Definition: Regular excessive use of stimulants may lead to stimulant use disorder, characterized by a compulsion to use the drug affecting daily life.
Symptoms: Tolerance, withdrawal effects (depression, fatigue, irritability), and a need for higher doses to achieve the same effect.
Statistics: ~0.4% for cocaine-related and ~0.6% for methamphetamine-related stimulant use disorder.

Implications for Society: Increasing use and dangers related to stimulant drugs like cocaine and amphetamines pose significant public health issues.
Awareness and Education: Understanding the risks associated with stimulants is crucial for prevention and treatment efforts.