Why Is Eczema A Disqualifier For The Army Why Did I Get Eczema While My Mum Was Still Breastfeeding?

Why did i get eczema while my mum was still breastfeeding? - why is eczema a disqualifier for the army

Most doctors say it is also unlikly of developing eczema during breast-feeding. Alothough it bad, and I wwas ask why and how?