Chinese researchers studied 299 participants ages 18 to 45 with dry eye disease, assigning half of them to a laughter ...

Related: What Causes Dry Eyes? If you have tried artificial tears for your evaporative dry eye without success, there could ...

As people age, fewer tears are produced due to hormonal changes, according to Cunningham – and women suffer from dry eye more than men for this reason. Young workers in ... When treating dry eye, ...

while tears from the left eye signify happiness. No. The idea that tears from the left eye signify different emotions than tears from the right eye is a myth and not supported by scientific evidence.