Environmental & Behavioral Risks

Req 6 — Pollution and Substance Risks

6.
Do the following:

This requirement looks at health dangers that do not all spread the same way. Some come from polluted environments. Some come from substances people choose to use. Public health studies both because both can harm individuals, families, and whole communities.

Requirement 6a

6a.
Describe the health dangers from air, water, and noise pollution.

Air pollution can irritate the eyes and lungs, worsen asthma, damage the heart and blood vessels, and make outdoor activity less safe on poor-air-quality days. Smoke from wildfires, traffic emissions, and industrial pollutants are all examples.

Water pollution can introduce chemicals, sewage, or harmful organisms into drinking or recreation water. That can lead to infections, poisoning, or long-term health effects depending on the contaminant.

Noise pollution may not seem as dramatic, but repeated high noise exposure can damage hearing, increase stress, disturb sleep, and make concentration harder. Once hearing is damaged, it often does not come back.

Requirement 6b

6b.
Describe health dangers from tobacco use and alcohol and drug abuse.

Tobacco harms nearly every part of the body. It damages the lungs, raises the risk of cancer, harms the heart and blood vessels, and exposes other people through secondhand smoke or aerosol.

Alcohol abuse can affect judgment, coordination, memory, and decision-making right away. Over time, it can damage the liver, heart, brain, and relationships. For teens, alcohol also increases the risk of injuries, dangerous choices, and impaired driving situations.

Drug abuse can injure the brain and body, increase overdose risk, damage trust, and make school, family, and mental health challenges harder.

Requirement 6c

6c.
Describe the health dangers from abusing illegal and prescription drugs.

Illegal drugs can cause poisoning, addiction, dangerous behavior, and overdose. Prescription drugs can also become dangerous when misused — for example, taken in the wrong amount, used without a prescription, mixed with other substances, or taken for the feeling instead of the medical purpose.

A key public health point is that a drug’s legal status is not the same thing as its safety in every situation. A medicine can help when used correctly and become dangerous when misused.

Prescription-drug misuse is especially risky because people may wrongly assume, “It came from a pharmacy, so it must be safe.” Safe use depends on dose, timing, purpose, storage, and the person it was prescribed for.

Patterns to mention in your discussion

Show that you understand both immediate and long-term harm
  • Immediate risks: impaired judgment, poisoning, overdose, injury
  • Long-term risks: organ damage, addiction, lung injury, brain effects
  • Community effects: family stress, crashes, healthcare burden, lost learning time
  • Prevention: education, safe storage, refusal skills, supportive adults, treatment resources
CDC — Health Effects of Tobacco Use A clear overview of how tobacco affects multiple body systems and why secondhand exposure matters. Link: CDC — Health Effects of Tobacco Use — https://www.cdc.gov/tobacco/about/health-effects.html NIDA — Drug Use and Addiction A reliable explanation of how misuse and addiction affect the brain, behavior, and health. Link: NIDA — Drug Use and Addiction — https://nida.nih.gov/publications/drugfacts/understanding-drug-use-addiction

Public health is not only about risk factors. It is also about institutions that track problems and respond to them. The next pages turn to health agencies and how they protect a community.