Environmental health

Heat related illness: How to keep your cool

Wynne Armand, MD

Contributing Editor

Prolonged periods of hot and humid weather increase the chance of a heat related illness, and you are at higher risk if you are older or spend time exerting yourself outdoors. Take precautions and be sure to hydrate wisely.

Common food additives and chemicals harmful to children

Claire McCarthy, MD

Faculty Editor, Harvard Health Publishing

Food additives and chemicals are common in all kinds of products, including packaging and personal care items, and pose greater risk to children than to adults. Simple steps to minimize exposure are sensible and do not require radical lifestyle changes.