Whether a child is the firstborn, a middle child, the youngest, or an only child may affect how their family treats them, how much attention they receive, and how they may compete for their parents’ ...

Studia Logica publishes original papers on various logical systems, which utilize methods of contemporary formal logic (those of algebra, model theory, proof theory, etc.). More specifically, Studia ...

The first order theory of the arithmetical degrees with arithmetical jump is not elementarily equivalent to the first order theory of the Turing degrees with jump. Journal Information This monthly ...

Despite our four-year age gap, my younger brother and I are besties. And while some of my fellow firstborn friends find it odd, my brother and I openly talk about our dating lives. We tap each other ...

Step aside, astrology. When figuring out who you’re most compatible with in a relationship, you might want to consider your birth order. While this topic has existed for ages about family dynamics, it ...

Feel like you *always* have to look after everyone around you and never get to focus on your own needs? You could be experiencing Eldest Daughter Syndrome. Or maybe you’re a chronic people pleaser and ...

A researcher named Alfred Adler developed birth order theory in the 20th century. The theory claims that the order in which a child is born shapes their development and personality. Adler also claimed ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Despite our four-year age gap, my younger brother and I are besties. And while ...