People holding hands

Substance Use FAQs: Alcohol, Tobacco, Marijuana, Vaping, Opioids and  Other Drugs

Find clear, reliable answers to common questions about alcohol, smoking and vaping, marijuana, legal tobacco, opioids, and other substances. This FAQ section is designed to help Will County youth, parents, educators, and community members make informed, healthy choices and better understand substance use, risks, and prevention.

Alcohol FAQs

Frequently asked questions about alcohol use, health effects, brain development, and legal considerations.

How old do you have to be to legally drink alcohol in the U.S.?

  • The minimum legal drinking age in the U.S. is 21 years. cdc.gov+2NHTSA+2
  • This is driven by the National Minimum Drinking Age Act of 1984, which incentivized states to set the age at 21 by tying it to federal highway funding. LegalClarity+1

What happens if you drink alcohol before you’re 21?

  • According to the CDC, underage drinking is associated with legal, social, academic, and health risks: driving under the influence, injuries, and more. cdc.gov
  • There are also long-term risks: starting early increases the likelihood of developing alcohol misuse later in life. cdc.gov

Can drinking alcohol affect my brain development?

  • Yes. The brain continues developing into the mid-20s, especially in key areas like decision-making, planning, and impulse control. NIAAA+1
  • Research shows that underage and heavy drinking can lead to memory problems, blackouts, and structural changes in the brain during this developmental window. PubMed

Can alcohol make you gain weight?

  • Yes. Alcohol is high in calories — about 7 calories per gram. LifeMD+1

  • It also affects how the body metabolizes fat: when you drink, your body prioritizes metabolizing alcohol over burning stored fat. councilonrecovery.org

  • Epidemiological studies show that alcohol intake can increase energy intake (due both to its calories and its appetite-stimulating effects). PubMed

How much alcohol is considered safe to drink?

  • There is no amount of alcohol that is entirely risk-free for everyone; even low levels carry some risks. NIAAA
  • For adults, health organizations define “low-risk” or “moderate” drinking, but these guidelines vary. (Also, avoiding alcohol is safest for teens, pregnant people, and those with certain health risks.) NIAAA+1

What are the side effects of drinking too much alcohol?

  • Short-term effects: impaired judgment, coordination problems, blackouts (memory loss), vomiting, and alcohol poisoning. NIAAA
  • Long-term effects: liver disease (fatty liver, cirrhosis), heart issues (cardiomyopathy, arrhythmia), brain damage, weakened immune system, and more. Mayo Clinic+1

Does drug and alcohol use affect your mood and mental health?

  • Yes. Alcohol use (especially misuse) is strongly linked with mental health issues: depression, anxiety, and emotional instability. NIAAA+1
  • Chronic or heavy alcohol use can impair the brain’s regulatory systems, making mood regulation harder. NIAAA

How does alcohol/drug use affect personal relationships?

  • Excessive alcohol use can lead to relationship problems, including loss of trust, conflict, and social isolation. Mayo Clinic+1
  • It may also increase risky behaviors or poor decision-making, which can further strain relationships. NIAAA

Can I drink alcohol on private property?

  • Laws vary by state. While the national minimum purchase age is 21, some states allow exceptions (for example, underage consumption with parental supervision), but these are state-specific. Encyclopedia Britannica
  • Regardless of legality, early drinking carries health risks — even in private settings. The CDC highlights that underage drinking increases risk of negative outcomes. cdc.gov

Should alcohol be legal at 18?

  • Research shows that raising the legal drinking age to 21 reduced fatal crashes among young people. PubMed+2Office of Justice Programs+2

  • A review found that MLDA-21 laws significantly decrease alcohol-related crashes, drinking, and “problematic drinking” in under-21s. PubMed

  • The Centers for Disease Control and Prevention (CDC) estimates that the minimum legal drinking age of 21 led to a median 17% reduction in alcohol-involved fatal crashes among teen drivers. cdc.gov

  • The Centers for Disease Control and Prevention (CDC) estimates that the minimum legal drinking age of 21 led to a median 17% reduction in alcohol-involved fatal crashes among teen drivers. cdc.gov

What are the consequences for underage drinking?

  • For underage drinking: underage DUI (or DWI) is common, and zero-tolerance laws (very low or 0.02% BAC for under 21) apply in many states. dui.drivinglaws.org+1

  • Legal penalties for underage drinking can include fines, alcohol education programs, loss of driving privileges, and even jail time. FindLaw

  • For underage tobacco purchase: retailers can be fined or face other enforcement actions if they sell to someone under 21 because of the federal Tobacco 21 law. U.S. Food and Drug Administration+1

Smoking and Vaping FAQs

Answers to common questions about cigarettes, e-cigarettes, vaping devices, nicotine, and their short- and long-term health risks.

How does smoking affect my lungs and heart?

Why do some people get addicted to cigarettes?

Are there any “safe” cigarettes or tobacco products?

Can smoking cause other health problems besides lung cancer?

  • Smoking causes cardiovascular disease: heart disease, stroke. cdc.gov
  • It also causes chronic lung diseases like COPD. cdc.gov
  • There are many other impacts: cancer in other organs, gum disease, etc. CDC Stacks+1

Can you get addicted to vaping?

  • Yes: most e-cigarettes contain nicotine, which is highly addictive. cdc.gov+1
  • Nicotine exposure in youth is especially dangerous for brain and addiction risk. cdc.gov

Why do some people say vaping is just as bad as smoking?

  • E-cigarette aerosol contains harmful and potentially harmful substances (cancer-causing chemicals, heavy metals, ultrafine particles). cdc.gov
  • Nicotine delivered by vapes still impacts the heart, lungs, and brain. American Lung Association
  • Long-term effects are still being studied, and scientists are concerned about serious lung injury. cdc.gov

Are vapes actually safer than cigarettes?

Can you get addicted to nicotine from just one vape?

  • The FDA explains that nicotine can be highly addictive, especially in young people whose brains are still developing. U.S. Food and Drug Administration
  • The adolescent brain is particularly vulnerable; nicotine can “prime” it for addiction to other substances. cdc.gov

How addictive are vapes?

  • Very addictive: they deliver nicotine, and many are engineered for efficient nicotine delivery. U.S. Food and Drug Administration+1
  • Because many vapes use nicotine salts (which can provide high doses), addiction risk is high. (Note: FDA’s proposed rule to lower nicotine in cigarettes underscores how nicotine drives addiction.) U.S. Food and Drug Administration

Can vaping mess up your lungs permanently?

  • Vaping can deliver toxic chemicals deep into the lungs. cdc.gov
  • Some of those chemicals (or their byproducts) are known to irritate or damage lung tissue. American Lung Association
  • We don’t yet fully know all the long-term risks, but evidence of lung injury is real. cdc.gov

What does long-term use of nicotine do to your body?

  • Long-term nicotine use increases risk of cardiovascular problems (it affects blood vessels, rate of atherosclerosis). www.heart.org
  • In youth, nicotine exposure disrupts brain circuits related to attention, learning, and impulse control. MN Dept. of Health
  • It can also worsen mood regulation and prime a person for dependence or relapse. www.heart.org

How does vaping compare to smoking?

  • Both are harmful. Smoking involves combustion, producing thousands of toxic chemicals (incl. ~70 known carcinogens). U.S. Food and Drug Administration+1
  • Vapes may have fewer of the classic smoke toxins, but still deliver nicotine + toxic chemicals. cdc.gov
  • Neither is “safe,” and the long-term harm of vaping is still under active study. cdc.gov

Marijuana FAQs

Information on marijuana use, including health impacts, brain development, impairment, and Illinois laws.

How long does weed stay in your system?

What does being high feel like?

  • According to Healthline, common acute effects of THC include “altered senses (e.g., seeing brighter colors), changes in mood, difficulty thinking, memory problems, anxiety, confusion, and impaired coordination.” Healthline

  • The CDC notes that cannabis affects brain areas for memory, attention, coordination, emotion, and time perception. cdc.gov

How badly does marijuana affect driving?

  • Cannabis impairs driving by slowing reaction time, impairing coordination, and affecting judgment. cdc.gov

  • Studies associate acute cannabis use with increased crash risk. NHTSA

  • Guidelines recommend waiting 6–8 hours after inhaled cannabis (or 8–12 hours for edibles) before driving because impairment may persist. Cannabis Evidence

Does vaping/smoking and drinking affect the development of a teenager?

  • Yes — cannabis use during adolescence can disrupt brain development, particularly in areas involving memory, learning, impulse control, and decision-making. PubMed+2PubMed+2

    - Longitudinal research shows adolescent cannabis use is tied to neurocognitive deficits (e.g., executive function, processing speed) that may persist. PubMed

    - The CDC states that cannabis can affect a developing brain (which continues maturing until ~25), and disrupt functions like attention, memory, and coordination. cdc.gov

Legal Tobacco Products FAQs

Questions about cigars, smokeless tobacco, nicotine pouches, and other legal tobacco products, including health risks and age restrictions.

Should you be able to buy vapes at 18?

How old do you have to be to purchase tobacco?

Do you need an ID to purchase tobacco/alcohol?

  • Tobacco: Yes — as of a final FDA rule (effective Sept. 30, 2024), retailers must check photo ID for anyone under age 30 who is trying to buy tobacco products. U.S. Food and Drug Administration

  • Alcohol: While not one universal law requires ID up to a specific age, underage purchase laws and zero-tolerance laws generally depend on verifying age; many retailers check ID to avoid selling to minors, and many legal frameworks require verifying age for under-21 sales. (For example, underage drinking/purchase is often a misdemeanor, and proof of age is part of enforcement. )

Opioids & Prescription Drugs

FAQs covering prescription opioids, misuse, addiction risks, overdose prevention, and safe medication practices.

How easy is it to overdose?

  • Many drugs, especially opioids like fentanyl, carry high overdose risk even in small amounts. cdc.gov+1

  • According to WHO, opioid overdoses can suppress breathing (“opioids … regulatory effect on breathing”), which can be fatal. World Health Organization

How many people die from drug use?

  • The CDC reports tens of thousands of overdose deaths per year in the U.S.; for example, in 2022 there were 107,941 overdose deaths, with ~76% involving opioids. cdc.gov

  • Over the last few decades, the overdose death rate has increased dramatically. cdc.gov

  • Pew Charitable Trusts notes that stimulants (like meth or cocaine) are also a driver of overdose deaths. Pew Charitable Trusts

What are the chances of relapse?

  • According to NIDA, addiction is “relapsing”: even after long periods of abstinence, brain changes make relapse more likely. NIDA

  • The AddictionGroup reports up to 91% relapse for opioid addiction (without sustained treatment) and other high rates for various substances. Addiction Group

  • Relapse should not be seen as failure — it’s often a signal that treatment needs to be adjusted. cdc.gov

What are ways to receive help as an addict?

  • The U.S. government’s USA.gov lists help lines, treatment locators, and support groups (AA, NA, SMART Recovery). USAGov

  • SAMHSA offers treatment programs, including outpatient, inpatient, and medication-assisted treatment (MAT). SAMHSA+1

  • The CDC explains that effective recovery often includes therapy, medication (for opioid use disorder), and ongoing care. cdc.gov

What is the point of rehab?

  • According to the CDC and NIDA, rehab (inpatient or outpatient) gives a structured environment to detox safely, learn coping skills, and work on long-term recovery. cdc.gov+1

  • Mayo Clinic describes rehab as a place to receive therapy, peer support, and follow-up care to prevent relapse. Mayo Clinic

t

MIscellaneous FAQs

Common questions about substance use prevention, recognizing warning signs, helping someone in need, and finding local resources.

How can I tell if one of my friends is using drugs?

  • Signs such as sudden mood swings, secrecy, withdrawal from activities, declining performance, and changes in sleep/eating are commonly noted by addiction-experts. Intervention.org+2TiNHiH Foundation+2

  • According to NIDA, repeated use changes the brain and behavior, making control more difficult, which can drive visible changes. NIDA

What are the signs someone is developing an addiction?

  • Addiction (a substance use disorder) is defined as a chronic disease: compulsive use despite harmful consequences, brain changes, craving, and loss of control. NIDA+1

  • The CDC notes relapse (“reoccurrence of use”) is common and doesn’t mean failure—it often points to need for adjusted treatment. cdc.gov

  • Specific behavioral signs: hiding use, withdrawal from family/friends, continuing use despite harm. cdc.gov

How can I support a friend with addiction?

  • Johns Hopkins Medicine recommends being honest, nonjudgmental, and talking when your friend is sober (not high) — and encouraging treatment or support groups. Johns Hopkins Medicine

  • Hazelden Betty Ford Center advises using “I” statements, focusing on specific behaviors (not blaming), and being supportive rather than confrontational. hazeldenbettyford.org

  • The PA Department of Health guide notes: set boundaries for your own wellbeing; care for yourself; inform them of help options (like calling SAMHSA’s hotline). Pennsylvania Governor's Office

  • For peer support: the SAMHSA defines peer support workers (peers in recovery) as people who use their lived experience to mentor, connect, and guide others in recovery. SAMHSA

What should you do if pressured to drink or smoke?

  • According to a peer-education pamphlet from CSU Chico, you should plan ahead: talk to your friend when they’re sober, use nonjudgmental, factual language (e.g., “I’ve noticed…”), and avoid lecturing. California State University, Chico

  • From the UAB Counseling Center: they recommend calmly expressing your concern, offering to help your friend find professional help, and also caring for yourself — especially if the conversation is tough. University of Alabama at Birmingham