Siblings can have both a positive and negative impact on your mental and physical health, studies show. (Getty Images) Your siblings can affect your physical and mental health more than you might ...

Q: Our 12-year-old daughter desperately wants a sibling, but we're not planning on having any more children. Recently, two family members welcomed new arrivals. We have visited both babies, and my ...

The Science of Siblings is a new series exploring the ways our siblings can influence us, from our money and our mental health all the way down to our very molecules. We'll be sharing these stories ...

The Science of Siblings is a series exploring the ways our siblings can influence us, from our money and our mental health all the way down to our very molecules. We'll be sharing these stories over ...

It's a long-held belief that the youngest child of the family seems to be the most spoiled of all the siblings, and there are habits they develop as children that they typically carry well into ...