With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer products, consider the following statements : 1. PFAS are found to be widespread in drinking water, food and food packaging materials. 2. PFAS are not easily degraded in the environment. 3. Persistent exposure to PFAS can lead to bioaccumulation in animal bodies. Which of the statements given above are correct?

All three statements regarding Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS), often called 'forever chemicals', are correct.

1. Statement 1 is correct. PFAS are widely used in various consumer products due to their water and oil-repellent properties (e.g., non-stick cookware, waterproof clothing, food packaging). This widespread use has led to their presence in drinking water, food, and food packaging materials globally. They can leach from products into the environment and food chain.

2. Statement 2 is correct. PFAS are synthetic chemicals with extremely strong carbon-fluorine bonds, making them highly resistant to degradation in the environment (water, soil, air). This is why they are called 'forever chemicals' and persist for very long periods.

3. Statement 3 is correct. Due to their persistence and chemical properties, PFAS can accumulate in the tissues of living organisms, including animals and humans, over time. This process is known as bioaccumulation. Persistent exposure, even at low levels, can lead to their build-up in the body, potentially causing adverse health effects.

Therefore, all statements are correct.