### stimulant:

Amphetamine
* act directly on the nerve endings and release extra dopamine too.
* activate the dopamine system
  - fight or flight set of nerves
* affect the body by releasing an excessive amount of adrenaline into the system.
* also cause the heart rate of mother and baby to increase
  - increase confidence and drivers are more likely to take dangerous risks
  - make the symptoms of schizophrenia worse
* are a class of drugs that stimulate the central and peripheral nervous systems
  - group of strong stimulants that seriously affecting the human body
  - type of central nervous system stimulant
  - addictive substances
  - anorectics
  - dangerous because they alter judgment and obscure feelings
  - drugs of abuse
  - excreted in human milk
  - expensive, and can lead to financial problems
  - more toxic than cocaine and can cause worse problems when abused
  - often white, odorless, bitter crystalline powders
  - only to be used by people who have failed other weight loss methods
  - powerful central nervous stimulants
  - psychologically and physically addictive
  - sympathomimetic amines that also stimulate the central nervous system
* are the poor man's cocaine and have essentially the same characteristics of abuse
  - primary drug sold
* can also increase confidence, making drivers more likely to take dangerous risks
  - be habit-forming for some people
* can cause a significant elevation in plasma corticosteroid levels
  - both acute and chronic toxicity
  - high body temperature and can lead to serious heart problems and seizures
  - increased alertness, euphoria, increased blood pressure, and insomnia
  - improve anyone's school performance in the short run
  - increase body temperature, hallucinations
  - reduce tiredness and increase endurance
* cause euphoria at first
  - the heart rate of the mother and baby to increase
* causes dopamine transporters to run in reverse.
* come in different forms and can be taken in different ways.
* disrupt the central nervous, cardiovascular, respiratory and gastrointestinal systems.
* enhance the adrenergic effect of norepinephrine.
* have a high potential for abuse
  - stabilizing effect in children with attention deficit disorder
  - strong smell and bitter taste
  - problems with over-stimulation, the duration of action often
* increases norephinephrine in the brain
  - the user's heart rate and speeds up their breathing
* inhibit the hypertensive effect of veratrum alkaloids.
* mess up adrenaline receptors and reabsorption.
* mimic the human body's own stimulant, norepinephrine.
* otherwise can lead to hallucinations during usage.
* panic attack.
* pass into breast milk.
* potentiates the analgesic effect of meperidine.
* release large amounts of dopamine to help stimulate brain activity.
* seem to exert an anorexogenic effect.
* stimulate the actions of the central nervous system
* stimulates the brain in adults to increase alertness
  - medullary respiratory centers , producing faster and deeper breaths
* street drug
* work in the same way.
* worsen positive symptoms, improve negative symptoms f.

Aphrodisiac
* are about the act of cooking for someone else or with someone else
  - common in every culture and belief in their power dates back centuries
  - sexual enhancers that people use to enhance their sexual pleasure
  - substances that arouse sexual desire or enhance sexual performance
* exist in nature.

Quat
* Many quats also function as a detergent, and help remove organic debris from objects.
* are by nature wetting agents that foam and cling to vertical, radial, and underside surfaces
  - effective in destroying a broad spectrum of harmful microorganisms
  - low in mammalian toxicity and non-irritating to the skin
  - more stable and less corrosive than chlorine products, but more expensive
* persist in the environment and are considered to be endocrine disruptors by scientists.