Physically it is related to the breasts and stomach. It is said to have a feminine nature, and is therefore more reactive in its energy.
It is a Water sign, and as such is connected to the world of emotion and the instincts. It is also a Cardinal sign, which means that planets placed here will express themselves in a very dynamic fashion - especially in matters connected with care and protection. This sign is associated with motherhood and the family. There is a great sensitivity on an inner level, but rather a secretive nature. Loyalty and attachment, sentimentality and hanging on to the past, are all characteristics associated with Cancer.
Planets in this sign will often reflect a vulnerable character and oversensitive nature. There is also a possessive streak, and a tendency to be emotionally smothering. Nevertheless Cancer confers a strong intuitive nature and deeply-held feelings. There is a strong attachment to the home and awareness of the environment. Planets in Cancer come to expression most clearly in connection with the home and family.
Famous people born in the sign of Cancer:
Louis Armstrong, Diana - Princess of Wales, Tom Hanks, Meryl Streep, Ringo Starr