Our tears contain natural pain killers to help us cope.

Why Do My Eyes Burn When I Cry: Causes and Treatments

Nature's Sunshine Nutri-Calm - Herbal Stress Relief Supplement, Natural Relief for Adults, Happy Pills for Stress, Sleep & Mood Support, Mood Boost - 100 Tablets : Health & Household

6 Herbal Remedies for Pain Relief: Natural Pain Relievers That Work

Why Do We Cry? 6 Practical Explanations

Causes and Treatment Options for No Cartilage in the Knee

Why Do We Cry?, The Science of Crying

What Are Tears Made Of and Why Do We Cry?​

Causes and Treatments of Headaches Behind the Eyes

Our tears contain natural pain killers to help us cope.

What's the Point of Crying?: The Benefits of Tears for Mental and Physical Well Being - Take Root Therapy

The Power of Tears