Toxic Metals and Their Sources

Dr. Carrie Lam and Dr. Michael Lam discuss the five most common toxic metals: mercury, lead, aluminum, arsenic, and cadmium. They explain the sources of these metals, such as fish, paints, pipes, cans, and pesticides, and their potential health risks. The video emphasizes the importance of avoiding exposure and suggests methods for testing and prevention.

Which toxic metal is commonly found in old thermometers and certain types of fish?

• Mercury

• Aluminum

• Lead

• Cadmium

What is a significant risk of consuming fish from coastal areas?

• High levels of lead

• High levels of mercury

• High levels of arsenic

• High levels of aluminum

What is a common source of lead exposure in older homes?

• Plastic pipes

• Wooden furniture

• Ceramic tiles

• Painted walls

Why is it important to check the source of toys for children?

• To ensure they are colorful

• To avoid toxic levels of lead

• To ensure they are not made of plastic

• To avoid high levels of mercury

Which metal is often found in deodorants and can cause brain inflammation?

• Lead

• Cadmium

• Arsenic

• Aluminum

What is a safer alternative to using aluminum foil for food storage?

• Metal cans

• Paper bags

• Glass containers

• Plastic wrap

Arsenic is commonly found in which of the following?

• Canned food

• Thermometers

• Groundwater

• Old toys

Which group of people should regularly test their well water for arsenic?

• Urban residents

• Rural residents

• Mountain residents

• Coastal residents

Cadmium is often used in which type of products?

• Pesticides

• Thermometers

• Paints

• Deodorants

What is a common use of cadmium in the art industry?

• Canvas materials

• Photography equipment

• Painting supplies

• Sculpting tools