Should Ketu be in the 1st house, the person will be unhappy, ungrateful, indolent in their work, a backbiter, and lives in a society of undesirable people. The native is troublesome to members of their family and suffers from vata-related (nervous) problems. The native doesn’t have a sense of direction or self. The native will be tall, with a thin and greyish complexion.
The native suffers from mental stress, hysteria, or some kind of mental problem depending on the sign. The native is also explosive and violent in nature. They are generally eccentric, fraudulent, and fanatical in nature — they will be bothered by ghosts (i.e., they will see apparitions, sometimes travel to other dimensions). The maternal grandfather will play an important role in the native’s life.
They could be afflicted with anemia, parasites or fungi in the intestines, pain in the joints, neurological disorders, or widespread systematic illnesses.
The native could become an excellent physician, especially in alternative medicine, if this graha is situated well. They will tend to be in hidden or underground environments. The person should pray to either Matsya or Ganapthi.