Want to help your child avoid a peanut allergy? The key may be introducing them to the food early, even when they’re as young as 4 months old. Our allergists explain.

Lung cancer detection can be tricky, as many symptoms like a cough don’t typically show up until later stages. An expert explains what to look for and how you can screen for lung cancer.

Can an L-tyrosine supplement help you battle stress and depression? An expert explains the research behind this nonessential amino acid.