What's the effect of the red pools in the Paths of the Drowned

When you walk through one of the red pools (Blood Springs), your avatar takes on a red tint, and an animation appears above its head. Similar happens to your followers if they go through a red pool.
What's the effect of it? Does it affect your health (it doesn't appear to unless I have some mitigating effect of a piece of equipment), or is it another "zero effect but looks cool" thing like the tar pits in act 2, which the Enchantress endearingly tells you not to walk through because your boots will get dirty?
Best Answer
The pools of blood found in this and adjacent areas actually apply a DOT effect on your character.
If you have a large amount of health or health regen, the effect will probably be unnoticeable.
When you walk through one of those pools, open your Character Inventory page, and press Square (PS3/4) or X (360/xbone) to see the details page and you should see a description of the effect.
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