Why firstborns may be more likely than secondborns to be autistic or to have allergies - Peer2Peer

Sciam Account Acc

Why firstborns may be more likely than secondborns to be autistic or to have allergies

Apr 21, 2026

A comprehensive study found differences in numerous health conditions in firstborn children versus those born second

https://www.scientificamerican.com/article/why-firstborns-may-be-more-likely-than-secondborns-to-be-autistic-or-to-have-allergies/

Respond, make new discussions, see other discussions and customize your news...
Log in.

To add this website to your home screen:

1. Tap

2. Select 'Add to Home screen' or 'Install app'.

3. Follow the on-scrren instructions.

Terms of Service