Readers reply: why do humans cry when they are sad?, Biology

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts

What is the biological advantage of crying when emotional?

Why Do We Cry? - The Science of Crying - Geekswipe

14 Benefits Of Crying - Why It's Good For Your Health

How To Make Your Readers Cry - Writer's Life.org

Have No Fear, Shed A Tear: the Evolutionary Significance of Crying

The neuroscience of sadness: A multidisciplinary synthesis and

What if emotions aren't universal but specific to each culture

Advice for How to Deal With a Child That Cries Over Everything

Understanding Tears: The Biology and Psychology Behind Human

Here's Why We Cry—And 7 Benefits of Doing So

ELI5: What is the biological purpose of crying when you're sad

Why men find it so hard to cry