Explain the harmful effects of stimulants, depressants, hallucinogens,anabolic steroids and inhalants on the b

POSSIBLE NEGATIVE EFFECTS OF:

Alcohol

decreased coordination
nausea, vomiting (vomiting while unconscious can kill)
reduced impulse control
emotional volatility (anger, violence, sadness, etc)
frequent urination (more with beer or wine), diuretic effect
dizziness and confusion
blackouts and memory loss at high doses
coma and death at extreme doses
brain and liver damage (cirrhosis) with heavy use
lowered inhibitions and increased confusion can lead to unwanted and negative sexual encounters (date rape)
hangover, lasting 12-36 hours, from mild to severe after heavy use
fetus damage in pregnant women at high dose or frequency

Amphetamines

increased aggressiveness
paranoia
dry mouth
headache
increased heart rate (tachycardia)
increased breathing rate
increased blood pressure
rise in body temperature
fever and sweating
diarrhea or constipation
blurred vision
impaired speech
dizziness
uncontrollable movements (twitching, jerking, tremors, etc...)
insomnia
numbness
irregular heartbeat (palpitations, arrhythmia)
impotence / inability to achieve erection in men (high dose or chronic use)
convulsions (high dose)
dry, itchy skin (chronic use)
acne, sores (chronic use)
pallor (high dose or chronic use)
psychotic episodes (rare except in overdoses or after chronic use)

Caffeine

Increases anxiety and nervousness at high doses or in sensitive individuals [Lieberman 1992, Loke 1988]
Insomnia, decreased ability to sleep [Smith 2002]
Caffeine withdrawal can worsen mood [Schuh 1997]
Caffeine withdrawal causes headaches, flu-like symptoms, feelings of lethargy and reduces motivation [Schuh 1997]
Increases jaw tension and bruxism [Erowid Self Reports 2000, Ohayon 2001]

Cannabis

nausea, especially in combination with alcohol, some pharmaceuticals, or other psychoactives
coughing, asthma, upper respiratory problems
difficulty with short term memory during effects and during periods of frequent use (Ranganathan M, D'Souza DC, Psychopharmacology, 2006)
racing heart, agitation, feeling tense
mild to severe anxiety
panic attacks in sensitive users or with very high doses (oral use increases risk of getting too much)
headaches
dizziness, confusion
lightheadedness or fainting (in cases of lowered blood pressure)
paranoid & anxious thoughts more frequent
possible psychological dependence on cannabis
clumsiness, loss of coordination at high doses
can precipitate or exacerbate latent or existing mental disorders

Cocaine

Heavy, regular use of cocaine is known to cause restlessness, anxiety, hyperexcitability, paranoia, irritability, insomnia, weight loss, and a variety of other less acute psychological symptoms. Insufflation of any substance can lead to damaging the cartiledge and mucosa in the nose, eventually leading to a hole in the septum (the soft structure separating the nostils).

DXM

upset stomach, vomiting
dizzyness
body itching
rash, red blotchy skin
diarrhea
fever
tachycardia (racing, pounding heart)
some users report feeling disconnected, isolated from others
some users report hangover/depression on the following 1-2 days.

LSD

anxiety
tension, jaw tension
increased perspiration
nausea
dizziness, confusion
megalomania
over-awareness & over-sensitization to music and noise
paranoia, fear, and panic
unwanted and overwhelming feelings
unwanted life-changing spiritual experiences
flashbacks

MDMA

(negative side effects increase with higher doses and frequent use)

inappropriate and/or unintended emotional bonding
tendency to say things you might feel uncomfortable about later
mild to extreme jaw clenching (trisma), tongue and cheek chewing, and teeth grinding (bruxia)
difficulty concentrating & problems with activities requiring linear focus
short-term memory scramble or loss & confusion
muscle tension
erectile disfunction and difficulty reaching orgasm
increase in body temperature, hyperthermia, dehydration (drink water)
hyponatremia (don't drink too much water)
nausea and vomiting
headaches, dizziness, loss of balance, and vertigo
sadness on coming down, sense of loss or immediate nostalgia
post-trip Crash - unpleasantly harsh comedown from the peak effect
hangover the next day, lasting days to weeks
mild depression and fatigue for up to a week
severe depression and/or fatigue (uncommon)
possible strong urge to repeat the experience, though not physically addictive
possible psychological crisis requiring hospitalization (psychotic episodes, severe panic attacks, etc) (rare)
possible liver toxicity (rare)
possible neurotoxicity (controversial)
small risk of death. Approximately 2 per 100,000 users have extreme negative reactions resulting in death. (rare)

Methamphetamines

disturbed sleep patterns
tightened jaw muscles, grinding teeth (trismus and bruxia)
loss of appetite (anorexia), leading to poor nutrition and weight loss with heavy use
reduced enjoyment of eating
loss of interest in sex, over time
itching, welts on skin
nausea, vomiting, diarrhea
excessive excitation, hyperactivity
shortness of breath
moodiness & irritability
anxiousness & nervousness
aggressiveness
panic, suspiciousness & paranoia
involuntary body movements (uncontrollable movement and/or twitches of fingers, facial & body muscles, lip-smaking, tongue protrusion, grimacing, etc.)
false sense of confidence and power (delusions of grandeur)
aggressive and violent behavior
severe depression, suicidal tendencies

Effects of Habitual Use
fatal kidney and lung disorders
possible brain damage
permanent psychological problems
lowered resistance to illnesses
liver damage
stroke

Psilocybin (Mushrooms)

intense feelings of fear
headache, usually as effects wear off, sometimes beginning the next day, lasting for up to 24 hours
nausea, gas, gastrointestinal discomfort, especially when dry mushrooms eaten raw
mild to severe anxiety
dizziness, confusion
lightheadedness or fainting (in cases of lowered blood pressure)
can precipitate or exacerbate latent or existing mental disorders
working memory disruption (reduced ability to do tasks requiring current remembering and attention) [ Wittmann 2006 ]

Nitrous

nausea (especially if combined with alcohol or used for long periods)
headaches are not uncommon as effects recede (especially when used without oxygen)
reduction of vitamin B12 levels in the body, especially with regular use
numbness in extremities (fingers, nose, lips) with heavy, regular use