Humans are the only animal to produce emotional tears. Asking questions about this behavior can help us better understand how we live our lives. That question has many answers. To start, there are ...

Do nonhuman animals ever cry from sadness? Tears are useful for our eyes—as ... Tears come in three recognized types. Basal tears provide basic maintenance. Glands spontaneously release these tears to ...

Crying matters more for your health than you might think. If you have trouble shedding tears, then your medication, age, or ...

Do you get a headache or migraine attack after crying? You’re not alone. Many people in the migraine community have expressed that shedding tears often leads to an attack, or at least a headache. And, ...