Life-saving warnings your nails are sending
Dark Red or Brown Under Nails
These dark red or brown splotches (or Subungual Hematoma) happen when blood is trapped under the nail, and are a sign of trauma.
Nails Detached From The Nail Bed
If your nails detach from their nail bed, it can be a sign of Hyperthyroidism or a hormonal imbalance.