51�Թ�

Two days later the reaction arrived: redness, itching, oozing, crusting and small, fluid-filled blisters up and down his legs.

But importantly, this study notes that Mars' redness happened before the water left.

When the mystery of the LRDs first became apparent, professional and citizen scientists alike bandied about alternative theories for the LRDs’ redness, all of which is healthy for the state of scientific discourse.

But beware: There’s a difference between artificial tears and other products only meant to reduce redness.

Acute inflammation is characterized by body temperature increases, swelling, redness and pain.