no cause of death released by family; people are linking her death to this one tweet from five weeks ago and one other, when she cancelled a get-together, saying she didn't feel well. no specifics how she didn't feel well; she had asthma and it's spring. i can see why they wouldn't want this to get out, but seriously, the family has the right to release as much or as little as they want, until such time as her death certificate becomes public record.