Chemicals in food packaging can migrate into food — especially when the food is hot, fatty, or stored a long time. Here’s what the main ones are, how transfer happens, and simple ways to reduce contact.

Endocrine disruptors are chemicals that can interfere with hormone systems. They’re found in some plastics, personal care products, pesticides, and other everyday items. Here’s what they are, why timing of exposure matters, and practical ways to reduce contact.

Lead in drinking water usually comes from plumbing — lead service lines, old solder, and some fixtures — not from the water source. It’s especially harmful to children, and the only way to know if it’s at your tap is to test. Here’s how it gets into water and what reduces exposure.

BPA is an industrial chemical used to make certain plastics and the linings inside many food cans. It can act like a weak estrogen in the body. Here’s a clear look at where it shows up, how it differs from common replacements like BPS, and practical ways to reduce exposure.